US2911598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable time delay means
Assignee: Individual
•
Filing: 1955-11-03
•
Granted: 1959-11-03
•
Expires: 1975-11-03
Abstract
No abstract record available.
Inventors
- 👤 Robert E Clemensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:56
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/30; H03H7/34; H03H7/345
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2297514A
Cited
US2781495A
Cited
US2650350A
Cited
US2716736A
Cited
US2619537A
Cited
US2742613A
Cited
US2756394A
Cited
US2828478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |