Patent US2117057A successfully refreshed from Google Patents.
US2117057A
Expired / Lapsed
US
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Method of and apparatus for manufacturing links for v-belting from sheet material
Assignee: Individual
•
Filing: 1936-10-14
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Granted: 1938-05-10
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Expires: 1956-10-14
Abstract
No abstract record available.
Inventors
- 👤 Evans Percival Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:33
CPC Classifications
C; C14; C14B; C14B9/00; C14B2700/00; C14B2700/20; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0505; Y10T83/051; Y10T83/0524; Y10T83/0538; Y10T83/0548; Y10T83/0562; Y10T83/202; Y10T83/2027; Y10T83/2029; Y10T83/2092; Y10T83/22; Y10T83/444; Y10T83/4493; Y10T83/768; Y10T83/7684; Y10T83/7701; Y10T83/7705; Y10T83/7755; Y10T83/7763; Y10T83/7784; Y10T83/869; Y10T83/8798; Y10T83/8804; Y10T83/8805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-05-09 | 1941-11-08 | 1942-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-05-09 | 1945-11-08 | 1946-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-05-09 | 1949-11-08 | 1950-05-10 | $7700.00 | Window Closed / Lapsed |