US2924022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary indicators
Assignee: —
•
Filing: —
•
Granted: 1960-02-09
•
Expires: 1977-02-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:18
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US482026A
Cited
GB189620056A
Cited
FR436863A
Cited
US1282095A
Cited
US2192148A
Cited
US2202154A
Cited
US2211201A
Cited
US2317182A
Cited
US2659976A
Cited
US2652627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |