Patent US2688904A successfully refreshed from Google Patents.
US2688904A
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Indexing mechanism for machine tools
Assignee: Paramount Textile Machinery Co
•
Filing: 1946-02-23
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Granted: 1954-09-14
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Expires: 1966-02-23
Abstract
No abstract record available.
Inventors
- 👤 Richter William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:04
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/04; B23Q16/06; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T409/307448; Y10T409/307504; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1453
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |