US2537696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized frequency divider circuit
Assignee: Individual
•
Filing: 1945-09-14
•
Granted: 1951-01-09
•
Expires: 1965-09-14
Abstract
No abstract record available.
Inventors
- 👤 James P Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:19
CPC Classifications
H; H03; H03K; H03K21/00; H03B; H03B19/00; H03B19/06; H03B19/08; H03B19/12; H03K3/00; H03K3/02; H03K3/04; H03K3/16; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/12; H03K4/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1930278A
Cited
US1994760A
Cited
US2205233A
Cited
US2358297A
Cited
US2277000A
Cited
US2399135A
Cited
US2382954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |