US2448292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Geared adjustment means
Assignee: CB Cottrell and Sons Co
•
Filing: 1943-10-22
•
Granted: 1948-08-31
•
Expires: 1963-10-22
Abstract
No abstract record available.
Inventors
- 👤 Howard M Barber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:46
CPC Classifications
B; B41; B41F; B41F13/00; B41F13/08; B41F13/10; B41F13/12; B41F13/14; B41F13/02; B41F13/025; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1745769A
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US2110272A
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US2181895A
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GB515617A
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US2208420A
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US2250209A
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US2341202A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-31 | 1952-03-01 | 1952-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-31 | 1956-03-01 | 1956-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-31 | 1960-03-01 | 1960-08-31 | $7700.00 | Window Closed / Lapsed |