Patent US2677183A successfully refreshed from Google Patents.
US2677183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surveying instrument
Assignee: Individual
•
Filing: 1948-07-21
•
Granted: 1954-05-04
•
Expires: 1968-07-21
Abstract
No abstract record available.
Inventors
- 👤 Brenner Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:07
CPC Classifications
G; G01; G01C; G01C1/00; G01C1/02; G01C15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US590696A
Cited
US1196740A
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AT63054B
Cited
FR485025A
Cited
US1579217A
Cited
FR576370A
Cited
CH135505A
Cited
US2029226A
Cited
US2278203A
Cited
US2280844A
Cited
US2633639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |