US2478643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power loader
Assignee: Individual
•
Filing: 1946-03-04
•
Granted: 1949-08-09
•
Expires: 1966-03-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Smart
- 👤 George R Haydon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:02
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/283; E02F3/286; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18832; Y10T74/18848
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US388910A
Cited
US534510A
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US1143619A
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FR696060A
Cited
US1937016A
Cited
US1992543A
Cited
US2082018A
Cited
US2140988A
Cited
US2339700A
Cited
US2420991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |