US3010098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical warning system
Assignee: POMEROY CIRCLE CENTERS Inc
•
Filing: 1959-05-25
•
Granted: 1961-11-21
•
Expires: 1979-05-25
Abstract
No abstract record available.
Inventors
- 👤 Claude H Pomeroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:50
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/16; H04B1/22; H04B1/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2009447A
Cited
US2346171A
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US2449168A
Cited
US2766358A
Cited
US2744194A
Cited
US2699493A
Cited
US2844762A
Cited
US2760084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |