US2493891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grease gun cartridge
Assignee: Individual
•
Filing: 1944-07-31
•
Granted: 1950-01-10
•
Expires: 1964-07-31
Abstract
No abstract record available.
Inventors
- 👤 Arch W Mccarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:56
CPC Classifications
F; F16; F16N; F16N37/00; F16N37/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US904095A
Cited
US1325386A
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US1387356A
Cited
US1642770A
Cited
US1561885A
Cited
US1674542A
Cited
US1827636A
Cited
US1912076A
Cited
US2205907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |