US2463408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for flame-cutting circles
Assignee: AMERICAN BRIDGE Co
•
Filing: 1946-10-03
•
Granted: 1949-03-01
•
Expires: 1966-10-03
Abstract
No abstract record available.
Inventors
- 👤 Millis Lansing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:54
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/10; B23K7/105; B23K7/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US495233A
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US866866A
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GB191315571A
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DE417236C
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US1748870A
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US1959650A
Cited
US2088695A
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US2269505A
Cited
US2305909A
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US2388376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |