US3120784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Booster contactor
Assignee: Individual
•
Filing: 1962-02-19
•
Granted: 1964-02-11
•
Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 William M Magers
- 👤 Palmer G Wermager
- 👤 Arthur G Blomquist
- 👤 Larsen Ludolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:45
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/62; H01R13/629; F; F41; F41F; F41F3/00; F41F3/04; F41F3/055; H01H; H01H33/00; H01H33/02; H01H33/28; H01H33/30; H01H33/34; H01R13/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
276 words
IN A MISSILE LAUNCHER HAVING A LAUNCHER GUIDE ARM, A BOOSTER CONTACTOR FIXEDLY SECURED WITHIN SAID LAUNCHER GUIDE ARM, SAID BOOSTER CONTACTOR HAVING A HOUSING, A CYLINDER DISPOSED WITHIN SAID HOUSING, A DIFFERENTIAL AREA PISTON SEALABLY AND SLIDABLY DISPOSED WITHIN SAID CYLINDER, ACTUATING MEANS FOR MOVING SAID PISTON ALONG SAID CYLINDER WHEREBY SAID PISTON IS AT THE RETRACT POSITION WHEN AT THE UPPER END OF SAID CYLINDER AND AT THE EXTEND POSITION WHEN AT THE LOWER END OF SAID CYLINDER, AN UPPER ROD PORTION ATTACHED TO THE UPPER SIDE OF SAID PISTON, SAID UPPER ROD PORTION BEING SEALABLY AND SLIDABLY DISPOSED THROUGH SAID HOUSING, A FLANGE MEANS ATTACHED TO SAID UPPER ROD PORTION, A FIRST BIASING MEANS DISPOSED BETWEEN SAID FLANGE MEANS AND SAID HOUSING FOR BIASING SAID PISTON TO THE RETRACT POSITION, AN INTERMEDIATE ROD PORTION ATTACHED TO THE LOWER SIDE OF SAID PISTON, SAID INTERMEDIATE ROD PORTION BEING SEALABLY AND SLIDABLY DISPOSED IN SAID HOUSING, A LOWER ROD PORTION HAVING A REDUCED DIAMETER ATTACHED TO SAID INTERMEDIATE ROD PORTION, A PLURALITY OF ELECTRICAL LEADS EXTENDING THROUGH A BORE WHICH EXTENDS THROUGH SAID UPPER ROD PORTION, SAID PISTON, SAID INTERMEDIATE ROD PORTION AND SAID LOWER ROD PORTION, A SLEEVE JUXTAPOSED ABOUT SAID LOWER ROD PORTION AND SLIDABLY DISPOSED IN SAID HOUSING, SAID SLEEVE BEING DISPOSED SO AS TO HAVE AN END PORTION EXTENDING FROM SAID HOUSING, A FIRST FLANGE DISPOSED ON SAID LOWER ROD PORTION, A SECOND FLANGE DISPOSED WITHIN SAID SLEEVE, SAID SECOND FLANGE BEING DISPOSED ABOVE AND IN OVERLAPPING RELATIONSHIP TO SAID FIRST FLANGE, A SECOND BIASING MEANS DISPOSED BETWEEN SAID SECOND FLANGE AND SAID INTERMEDIATE ROD PORTION FOR URGING SAID SECOND FLANGE
Claim 2
Dependent Claim
276 words
IN A MISSILE LAUNCHER HAVING A LAUNCHER GUIDE ARM, A BOOSTER CONTACTOR FIXEDLY SECURED WITHIN SAID LAUNCHER GUIDE ARM, SAID BOOSTER CONTACTOR HAVING A HOUSING, A CYLINDER DISPOSED WITHIN SAID HOUSING, A DIFFERENTIAL AREA PISTON SEALABLY AND SLIDABLY DISPOSED WITHIN SAID CYLINDER, ACTUATING MEANS FOR MOVING SAID PISTON ALONG SAID CYLINDER WHEREBY SAID PISTON IS AT THE RETRACT POSITION WHEN AT THE UPPER END OF SAID CYLINDER AND AT THE EXTEND POSITION WHEN AT THE LOWER END OF SAID CYLINDER, AN UPPER ROD PORTION ATTACHED TO THE UPPER SIDE OF SAID PISTON, SAID UPPER ROD PORTION BEING SEALABLY AND SLIDABLY DISPOSED THROUGH SAID HOUSING, A FLANGE MEANS ATTACHED TO SAID UPPER ROD PORTION, A FIRST BIASING MEANS DISPOSED BETWEEN SAID FLANGE MEANS AND SAID HOUSING FOR BIASING SAID PISTON TO THE RETRACT POSITION, AN INTERMEDIATE ROD PORTION ATTACHED TO THE LOWER SIDE OF SAID PISTON, SAID INTERMEDIATE ROD PORTION BEING SEALABLY AND SLIDABLY DISPOSED IN SAID HOUSING, A LOWER ROD PORTION HAVING A REDUCED DIAMETER ATTACHED TO SAID INTERMEDIATE ROD PORTION, A PLURALITY OF ELECTRICAL LEADS EXTENDING THROUGH A BORE WHICH EXTENDS THROUGH SAID UPPER ROD PORTION, SAID PISTON, SAID INTERMEDIATE ROD PORTION AND SAID LOWER ROD PORTION, A SLEEVE JUXTAPOSED ABOUT SAID LOWER ROD PORTION AND SLIDABLY DISPOSED IN SAID HOUSING, SAID SLEEVE BEING DISPOSED SO AS TO HAVE AN END PORTION EXTENDING FROM SAID HOUSING, A FIRST FLANGE DISPOSED ON SAID LOWER ROD PORTION, A SECOND FLANGE DISPOSED WITHIN SAID SLEEVE, SAID SECOND FLANGE BEING DISPOSED ABOVE AND IN OVERLAPPING RELATIONSHIP TO SAID FIRST FLANGE, A SECOND BIASING MEANS DISPOSED BETWEEN SAID SECOND FLANGE AND SAID INTERMEDIATE ROD PORTION FOR URGING SAID SECOND FLANGE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |