US2451683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling
Assignee: American Brake Shoe Co
•
Filing: 1944-01-08
•
Granted: 1948-10-19
•
Expires: 1964-01-08
Abstract
No abstract record available.
Inventors
- 👤 Burr W Mantle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:20
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/54; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17017; Y10T408/00; Y10T408/65; Y10T408/665; Y10T408/89; Y10T408/892
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20329E
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US533912A
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US564830A
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US527632A
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GB110655A
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GB115451A
Cited
US1400063A
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US1513944A
Cited
US1586880A
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US1808369A
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US1943791A
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US1956145A
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US2227333A
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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) | 1951-10-19 | 1952-04-19 | 1952-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-19 | 1956-04-19 | 1956-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-19 | 1960-04-19 | 1960-10-19 | $7700.00 | Window Closed / Lapsed |