US2826710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflector type lamp
Assignee: Individual
•
Filing: 1953-07-28
•
Granted: 1958-03-11
•
Expires: 1973-07-28
Abstract
No abstract record available.
Inventors
- 👤 Willis L Lipscomb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:40
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/28; H01K1/32; H01K1/325; H01J; H01J61/00; H01J61/02; H01J61/30; H01J61/35
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US500053A
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US605026A
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US1884957A
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US2084999A
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US2146181A
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US2181295A
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US2279871A
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US2398968A
Cited
US2664513A
Cited
US2749461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |