US2607336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for setting and controlling backfires
Assignee: Individual
•
Filing: 1949-06-07
•
Granted: 1952-08-19
•
Expires: 1969-06-07
Abstract
No abstract record available.
Inventors
- 👤 Ambrose B Everts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:43
CPC Classifications
A; A62; A62C; A62C3/00; A62C3/02; A62C3/0278; A62C3/0285; A01; A01M; A01M15/00; A62C3/0292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR569453A
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US1940170A
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US1799035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |