US2772583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmissions
Assignee: Individual
•
Filing: 1952-06-13
•
Granted: 1956-12-04
•
Expires: 1972-06-13
Abstract
No abstract record available.
Inventors
- 👤 Watson D Harbaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:29
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0262; F16H2718/00; F16H2718/02; F16H2718/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1383988A
Cited
US2007279A
Cited
US2069408A
Cited
US2137778A
Cited
US2186108A
Cited
US2377400A
Cited
US2618175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |