Patent US2643844A successfully refreshed from Google Patents.
US2643844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vernier control and pivot mounting for transits and like instruments
Assignee: Individual
•
Filing: 1948-07-12
•
Granted: 1953-06-30
•
Expires: 1968-07-12
Abstract
No abstract record available.
Inventors
- 👤 Henry C Nette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:58
CPC Classifications
G; G01; G01C; G01C1/00; G01C1/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US197369A
Cited
US282117A
Cited
US814292A
Cited
US1179271A
Cited
US1182881A
Cited
US1491075A
Cited
US1969697A
Cited
US1953804A
Cited
US2132170A
Cited
US2280057A
Cited
US2439102A
Cited
US2424708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |