US2902609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor counter
Assignee: Laboratory For Electronics Inc
•
Filing: 1956-03-26
•
Granted: 1959-09-01
•
Expires: 1976-03-26
Abstract
No abstract record available.
Inventors
- 👤 Edward D Ostroff
- 👤 Maurice A Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:22
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/02; G11C19/04; H; H03; H03K; H03K23/00; H03K23/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2620448A
Cited
US2591406A
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US2744198A
Cited
US2772357A
Cited
US2695993A
Cited
US2760088A
Cited
US2824698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |