US3469110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Singer General Precision Inc
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Filing: 1966-05-16
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Granted: 1969-09-23
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Expires: 1986-05-16
Abstract
No abstract record available.
Inventors
- 👤 Michael Sherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:09
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/15; H03K5/15013; H03K5/1506; H03K5/15093; H03K23/00; H03K23/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3021450A
Cited
US3121810A
Cited
US3158781A
Cited
US3134031A
Cited
US3290515A
Cited
US3309537A
Cited
US3368083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |