US3526765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed portable electric light
Assignee: Individual
•
Filing: 1968-02-08
•
Granted: 1970-09-01
•
Expires: 1988-02-08
Abstract
No abstract record available.
Inventors
- 👤 Chester Rossi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:33
CPC Classifications
F; F21; F21V; F21V33/00; F21V33/008; F21L; F21L2/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1919024A
Cited
US1955511A
Cited
US2016819A
Cited
US2599295A
Cited
US2912566A
Cited
US3222511A
Cited
US3329810A
Cited
US3398271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |