US2856616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically lighted buoy
Assignee: BUOYS Inc
•
Filing: 1956-06-22
•
Granted: 1958-10-21
•
Expires: 1976-06-22
Abstract
No abstract record available.
Inventors
- 👤 Robert J Dodge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:48
CPC Classifications
B; B63; B63B; B63B51/00; B63B51/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US935717A
Cited
US1248850A
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US1372591A
Cited
US1974832A
Cited
US2119854A
Cited
US2364144A
Cited
US2352862A
Cited
US2539403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |