US2308705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing mechanism
Assignee: Mantle Lamp Company of America
•
Filing: 1940-09-07
•
Granted: 1943-01-19
•
Expires: 1960-09-07
Abstract
No abstract record available.
Inventors
- 👤 Grover E Meredith
- 👤 Cortland W Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:37
CPC Classifications
C; C03; C03B; C03B9/00; C03B9/30; C03B9/40; C03B9/403; C03B9/406; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86421; Y10T137/86493; Y10T137/86558; Y10T137/86566; Y10T137/86574; Y10T137/86638; Y10T137/86646
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) | 1946-01-18 | 1946-07-20 | 1947-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-01-18 | 1950-07-20 | 1951-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-01-18 | 1954-07-20 | 1955-01-19 | $7700.00 | Window Closed / Lapsed |