US2912610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical incandescent lamp mounting structure
Assignee: US Philips Corp
•
Filing: 1955-07-20
•
Granted: 1959-11-10
•
Expires: 1975-07-20
Abstract
No abstract record available.
Inventors
- 👤 Verbeek Leo Henricus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:34
CPC Classifications
H; H01; H01K; H01K9/00; H01K9/08; H01K1/00; H01K1/02; H01K1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2404992A
Cited
US1716048A
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US1793398A
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US2020130A
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US1947243A
Cited
US2617062A
Cited
US2605436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |