Patent US2719929A successfully refreshed from Google Patents.
US2719929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
brown
Assignee: —
•
Filing: —
•
Granted: 1955-10-04
•
Expires: 1972-10-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:51
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1874960A
Cited
US1975517A
Cited
US2224891A
Cited
US2195417A
Cited
US2439499A
Cited
US2540412A
Cited
US2625663A
Cited
US2515446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-03 | 1959-04-04 | 1959-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-03 | 1963-04-04 | 1963-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-03 | 1967-04-04 | 1967-10-04 | $7700.00 | Window Closed / Lapsed |