US3400863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety access covers for pneumatic pressure compartments of pressure-feeding grease containers
Assignee: BROWN GREASE GUN CO Inc
•
Filing: 1966-09-02
•
Granted: 1968-09-10
•
Expires: 1986-09-02
Abstract
No abstract record available.
Inventors
- 👤 William Y Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:47
CPC Classifications
F; F16; F16N; F16N19/00; Y; Y10; Y10T; Y10T292/00; Y10T292/42; Y10T292/438
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US320834A
Cited
US1534131A
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US1630899A
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US2046342A
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US2117393A
Cited
US2647294A
Cited
US2742105A
Cited
US3208643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |