US3455102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silent alarm clock
Assignee: PAUL B WOLF
•
Filing: 1966-02-21
•
Granted: 1969-07-15
•
Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 Paul B Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:33
CPC Classifications
G; G04; G04B; G04B25/00; G04B25/02; G04B25/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2473325A
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US3128036A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |