US2983443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elapsed time computer
Assignee: —
•
Filing: —
•
Granted: 1961-05-09
•
Expires: 1978-05-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:58
CPC Classifications
G; G07; G07C; G07C1/00; G07C1/10; G07C1/12; G07C1/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US623473A
Cited
US1780770A
Cited
US2421697A
Cited
US2591448A
Cited
US2755995A
Cited
US2810621A
Cited
US653711A
Cited
US1260705A
Cited
US1743175A
Cited
US2415854A
Cited
US2765022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |