US2517551A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filling adapter for grease guns
Assignee: Primerica Inc
•
Filing: 1944-09-09
•
Granted: 1950-08-08
•
Expires: 1964-09-09
Abstract
No abstract record available.
Inventors
- 👤 George E Eckman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:39
CPC Classifications
F; F16; F16N; F16N37/00; F16N37/02; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7891
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US347095A
Cited
US1013230A
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US1545379A
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GB241013A
Cited
US1729959A
Cited
US1739266A
Cited
US2136492A
Cited
US2057874A
Cited
US2129415A
Cited
US2301933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |