Patent US3090977A successfully refreshed from Google Patents.
US3090977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buoy
Assignee: Individual
•
Filing: 1961-04-13
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Granted: 1963-05-28
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Expires: 1981-04-13
Abstract
No abstract record available.
Inventors
- 👤 Michael F Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:07
CPC Classifications
B; B63; B63B; B63B22/00; B63B22/16; B63B22/166
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A BUOY COMPRISING A TOP AND BOTTOM PLATE, A LENS ASSEMBLY EXTENDING BETWEEN THE TOP AND BOTTOM PLATE AND SEALING THE SPACE ENCLOSED THEREBY, AND MORE THAN ONE MEANS WITHIN SAID SPACE FOR PRODUCING A LUMINESCENT GLOW IN RESPONSE TO AGITATION CAUSED BY NORMAL MOVEMENT OF WATER, SAID MEANS BEING COMPLETELY INDEPENDENT OF ANY EXTERNAL POWER SOURCE.
Claim 2
Dependent Claim
57 words
A BUOY COMPRISING A TOP AND BOTTOM PLATE, A LENS ASSEMBLY EXTENDING BETWEEN THE TOP AND BOTTOM PLATE AND SEALING THE SPACE ENCLOSED THEREBY, AND MORE THAN ONE MEANS WITHIN SAID SPACE FOR PRODUCING A LUMINESCENT GLOW IN RESPONSE TO AGITATION CAUSED BY NORMAL MOVEMENT OF WATER, SAID MEANS BEING COMPLETELY INDEPENDENT OF ANY EXTERNAL POWER SOURCE.
References Cited (Backward Citations)
US1683609A
Cited
US1950696A
Cited
US2309676A
Cited
US2449880A
Cited
US2457503A
Cited
US2917755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |