Patent US3019711A successfully refreshed from Google Patents.
US3019711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Figure
Assignee: —
•
Filing: 1956-12-26
•
Granted: 1962-02-06
•
Expires: 1976-12-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:00
CPC Classifications
F; F41; F41G; F41G5/00; F41G5/14; F41G5/16; F41G3/00; F41G3/06; F41G3/22; F41G5/18; F41G5/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2704490A
Cited
US2660793A
Cited
US2444171A
Cited
US2440968A
Cited
US2586817A
Cited
US2878466A
Cited
US2762266A
Cited
US2801544A
Cited
US2709228A
Cited
US2815458A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |