US2456751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grease gun filler
Assignee: Individual
•
Filing: 1945-11-17
•
Granted: 1948-12-21
•
Expires: 1965-11-17
Abstract
No abstract record available.
Inventors
- 👤 Strong Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:29
CPC Classifications
F; F16; F16N; F16N37/00; F16N37/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US543472A
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US1333547A
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US1545379A
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US1449829A
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US1661498A
Cited
US2170720A
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US2234458A
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US2224741A
Cited
US2373037A
Cited
US2339930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-21 | 1952-06-21 | 1952-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-21 | 1956-06-21 | 1956-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-21 | 1960-06-21 | 1960-12-21 | $7700.00 | Window Closed / Lapsed |