US2906581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ship's telegraph engine room recording mechanism
Assignee: Individual
•
Filing: 1954-10-25
•
Granted: 1959-09-29
•
Expires: 1974-10-25
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Huden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:37
CPC Classifications
G; G01; G01C; G01C17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1054206A
Cited
US991585A
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US991504A
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US997075A
Cited
US1604732A
Cited
US1686186A
Cited
US1961170A
Cited
US2451365A
Cited
US2724631A
Cited
US2772940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |