Patent US3421391A successfully refreshed from Google Patents.
US3421391A
Expired / Lapsed
US
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Indexing mechanism for rotary table
Assignee: Medico Industries Inc
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Filing: 1966-11-10
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Granted: 1969-01-14
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Expires: 1986-11-10
Abstract
No abstract record available.
Inventors
- 👤 John J Delaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:04
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/0023; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/04; B23Q16/06; B29; B29C; B29C45/00; B29C45/03; B29C45/04; B29C45/06; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |