Patent US5346982A successfully refreshed from Google Patents.
US2985104A
Expired / Lapsed
US
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Improved cartridge for producing gas
Assignee: Phillips Petroleum Co
•
Filing: 1955-01-03
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Granted: 1961-05-23
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Expires: 1975-01-03
Abstract
No abstract record available.
Inventors
- 👤 Homer M Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:38
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/04; C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; F02; F02C; F02C7/00; F02C7/22; F02C7/224; F02C7/26; F02C7/268; F02C7/27; F02C7/272; F02C7/275; F02C7/277; F42B19/00; F42B19/12; F42B19/14; F42B19/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1680451A
Cited
US1512354A
Cited
US1593768A
Cited
US1884479A
Cited
US2154572A
Cited
US2269030A
Cited
US2335527A
Cited
US2597641A
Cited
US2455015A
Cited
US2620627A
Cited
US2637274A
Cited
GB655585A
Cited
US2559006A
Cited
US2605705A
Cited
US2682461A
Cited
US2750887A
Cited
US2688920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |