US3704140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sterilisation of tins
Assignee: JJ Carnaud and Forges de Basse Indre SA
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Filing: 1969-12-19
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Granted: 1972-11-28
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Expires: 1989-12-19
Abstract
Abstract TO PREVENT BURSTING OF A CAN DUE TO THE VACUUM FORMED THEREIN ON COOLING AFTER STERILISATION A PART OF THE CAN, GENERALLY AN END THEREOF, IS SUBJECTED TO A PERMANENT DEFORMATION, EFFECTED BEFORE THE CAN IS FULLY COOLED, WHICH REDUCES THE INTERNAL VOLUME OF THE CAN.
Inventors
- 👤 Maurice Petit
- 👤 Georges Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:31
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/30; B; B65; B65B; B65B55/00; B65B55/02; B65B61/00; B65B61/24
Claims Analysis
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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) | 1975-11-28 | 1976-05-29 | 1976-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-28 | 1980-05-29 | 1980-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-28 | 1984-05-29 | 1984-11-28 | $7700.00 | Window Closed / Lapsed |