US2453128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: Individual
•
Filing: 1945-02-10
•
Granted: 1948-11-09
•
Expires: 1965-02-10
Abstract
No abstract record available.
Inventors
- 👤 Richard W Hautzenroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:19
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/04; F16H39/06; F16H39/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US657409A
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US1212655A
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GB191403827A
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US1539616A
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US1418951A
Cited
GB214301A
Cited
GB241975A
Cited
US2129886A
Cited
US2229715A
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US2331694A
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US2345446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |