US3371192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric aquarium heater
Assignee: ARTHUR L ROSENEL
•
Filing: 1965-10-22
•
Granted: 1968-02-27
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Rosenel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:47
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/06; A01K63/065; H; H05; H05B; H05B3/00; H05B3/78; H05B3/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR578950A
Cited
US1689198A
Cited
US1750907A
Cited
US1837000A
Cited
DE800177C
Cited
FR1046410A
Cited
US2699488A
Cited
US2784292A
Cited
US2811629A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |