Patent US3194344A successfully refreshed from Google Patents.
US3194344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring motor
Assignee: Ametek Inc
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Filing: 1964-05-04
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Granted: 1965-07-13
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Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Norman E Sindlinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:09
CPC Classifications
F; F03; F03G; F03G1/00; F03G1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN COMBINATION A SPRING MOTOR COMPRISING AN OUTPUT DRUM, A STORAGE DRU, SAID DRUMS HAVING SPACED SUBSTANTIALLY PARALLEL AXES, AND A TIGHTLY COILED NON-CUMULATIVE FORCE RIBBON SPRING CONNECTING SAID DRUMS AND TENDING TO UNCOIL FROM THE OUTPUT DRUM AND TO COIL ONTO THE STORAGE DRUM, SAID SPRING HAVING A PLURALITY OF PORTIONS OF DIFFERENT WIDTHS, OUTPUT MEANS CONNECTED TO THE OUT-
Claim 2
Dependent Claim
61 words
IN COMBINATION A SPRING MOTOR COMPRISING AN OUTPUT DRUM, A STORAGE DRU, SAID DRUMS HAVING SPACED SUBSTANTIALLY PARALLEL AXES, AND A TIGHTLY COILED NON-CUMULATIVE FORCE RIBBON SPRING CONNECTING SAID DRUMS AND TENDING TO UNCOIL FROM THE OUTPUT DRUM AND TO COIL ONTO THE STORAGE DRUM, SAID SPRING HAVING A PLURALITY OF PORTIONS OF DIFFERENT WIDTHS, OUTPUT MEANS CONNECTED TO THE OUT-
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |