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US3391829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray grease gun
Assignee: Individual
•
Filing: 1967-01-30
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Granted: 1968-07-09
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Expires: 1987-01-30
Abstract
No abstract record available.
Inventors
- 👤 William C Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:02
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/30; F16N7/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2581353A
Cited
US2618510A
Cited
US2505798A
Cited
GB727492A
Cited
US3292630A
Cited
US3225759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |