US2741255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable hand rest for crutch
Assignee: Individual
•
Filing: 1951-08-23
•
Granted: 1956-04-10
•
Expires: 1971-08-23
Abstract
No abstract record available.
Inventors
- 👤 Charles B Neptune
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:59
CPC Classifications
A; A61; A61H; A61H3/00; A61H3/02; Y; Y10; Y10S; Y10S16/00; Y10S16/90; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7056; Y10T403/7058; Y10T403/7062; Y10T403/7064; Y10T403/7066; Y10T403/7071; Y10T403/7075; Y10T403/7077
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US40443A
Cited
US172689A
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US258797A
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US881908A
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US1331109A
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US2184358A
Cited
US2483396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |