US2482504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inclinometer
Assignee: Individual
•
Filing: 1946-08-12
•
Granted: 1949-09-20
•
Expires: 1966-08-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas D Pennington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:11
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/02; G01C9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2328730A
Cited
FR416057A
Cited
GB191413828A
Cited
US1411883A
Cited
US1288579A
Cited
US1346547A
Cited
US1393318A
Cited
GB164396A
Cited
US1853510A
Cited
US1884728A
Cited
US2171156A
Cited
US2286014A
Cited
US2323693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |