US882258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of incandescent-lamp bases.
Assignee: NATIONAL ELECTRIC LAMP Co
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Filing: 1907-05-27
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Granted: 1908-03-17
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Expires: 1927-05-27
Abstract
No abstract record available.
Inventors
- 👤 Matthew M Merritt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:32
CPC Classifications
C; C25; C25D; C25D1/00; C25D1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1911-03-17 | 1911-09-16 | 1912-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-03-17 | 1915-09-16 | 1916-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-03-17 | 1919-09-16 | 1920-03-17 | $7700.00 | Window Closed / Lapsed |