US914684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc-lamp.
Assignee: Warner Lambert Co LLC
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Filing: 1906-06-25
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Granted: 1909-03-09
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Expires: 1926-06-25
Abstract
No abstract record available.
Inventors
- 👤 William F Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:42
CPC Classifications
B; B23; B23H; B23H7/00; B23H7/14; B23H7/18
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) | 1912-03-08 | 1912-09-07 | 1913-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-03-08 | 1916-09-07 | 1917-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-03-08 | 1920-09-07 | 1921-03-09 | $7700.00 | Window Closed / Lapsed |