Patent US2780472A successfully refreshed from Google Patents.
US2780472A
Expired / Lapsed
US
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Mechanic's creeper
Assignee: Individual
•
Filing: 1953-10-23
•
Granted: 1957-02-05
•
Expires: 1973-10-23
Abstract
No abstract record available.
Inventors
- 👤 Sr William C Weldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:52
CPC Classifications
B; B25; B25H; B25H5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US218117A
Cited
US513419A
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US635578A
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US1186372A
Cited
US2051563A
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US2210585A
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US2430662A
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US2595784A
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US2703717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |