US2848643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric lamps
Assignee: Individual
•
Filing: 1955-05-26
•
Granted: 1958-08-19
•
Expires: 1975-05-26
Abstract
No abstract record available.
Inventors
- 👤 Spataro Lucy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:21
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/24; H01R4/2404; H01R4/2406; H01R33/00; H01R33/05; H01R33/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1336736A
Cited
US1849846A
Cited
US1976492A
Cited
US2121063A
Cited
US2483351A
Cited
US2751568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |