US3224239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic reshaping of cans
Assignee: Continental Can Co Inc
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Filing: 1962-08-17
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Granted: 1965-12-21
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Expires: 1982-08-17
Abstract
No abstract record available.
Inventors
- 👤 Hansson Ants
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:50
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/033; B21D26/049; B29; B29C; B29C49/00; B29C49/42; B29C49/46; B29C2049/4602; B29C2049/4647; B29C2049/465
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A METHOD OF RESHAPING A HOLLOW MEMBER UTILIZING A VENTED MOLD AND A COOPERATING PNEUMATIC PUMP OF THE POSITIVE DISPLACEMENT TYPE, SAID METHOD COMPRISING THE STEPS OF SEATING SAID HOLLOW MEMBER IN SAID MOLD WITH ONLY A SINGLE END OF SAID MEMBER UNSEALED, SEALING THE PERIPHERY OF SAID SINGLE END RELATIVE TO SAID MOLD AND PUMP, AND ACTUATING SAID PUMP TO POSITIVELY COMPRESS, SUBSTANTIALLY ADIABATICALLY, THE AIR PRESENT WITHIN SAID
Claim 2
Independent Claim
70 words
A METHOD OF RESHAPING A HOLLOW MEMBER UTILIZING A VENTED MOLD AND A COOPERATING PNEUMATIC PUMP OF THE POSITIVE DISPLACEMENT TYPE, SAID METHOD COMPRISING THE STEPS OF SEATING SAID HOLLOW MEMBER IN SAID MOLD WITH ONLY A SINGLE END OF SAID MEMBER UNSEALED, SEALING THE PERIPHERY OF SAID SINGLE END RELATIVE TO SAID MOLD AND PUMP, AND ACTUATING SAID PUMP TO POSITIVELY COMPRESS, SUBSTANTIALLY ADIABATICALLY, THE AIR PRESENT WITHIN SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |