Patent US3056104A successfully refreshed from Google Patents.
US3056104A
Expired / Lapsed
US
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Underwater signaling and apparatus therefor
Assignee: AMF Inc
•
Filing: 1959-05-01
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Granted: 1962-09-25
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Expires: 1979-05-01
Abstract
No abstract record available.
Inventors
- 👤 Kanski Leon M De
- 👤 Theodore E Dinsmoor
- 👤 Norman W Guinard
- 👤 Pio F Martinuzzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:06
CPC Classifications
G; G10; G10K; G10K9/00; G10K9/10; Y; Y10; Y10S; Y10S116/00; Y10S116/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190818025A
Cited
US2182063A
Cited
US2064911A
Cited
US2424357A
Cited
US2840176A
Cited
US2902207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |