US3420129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-indexing intermittent drive means
Assignee: Itek Graphix Corp
•
Filing: 1966-02-10
•
Granted: 1969-01-07
•
Expires: 1986-02-10
Abstract
No abstract record available.
Inventors
- 👤 David A Farrant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:00
CPC Classifications
G; G03; G03D; G03D15/00; G03D15/04; G03D15/043; G03D15/046; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4443; Y10T83/4448; Y10T83/4561; Y10T83/4622; Y10T83/4627
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US271835A
Cited
US308119A
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US1062932A
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US1128721A
Cited
US1693361A
Cited
US2219650A
Cited
US2188994A
Cited
US3088357A
Cited
US3172322A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |