US3401568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carriage drive mechanism
Assignee: Individual
•
Filing: 1966-08-17
•
Granted: 1968-09-17
•
Expires: 1986-08-17
Abstract
No abstract record available.
Inventors
- 👤 Leland F Blatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:58
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/12; F16H37/124; F16H37/126; F16H21/00; F16H21/10; F16H21/16; F16H21/18; F16H21/36; F16H21/365; F16H2037/128; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18152; Y10T74/18272
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US952383A
Cited
US2358884A
Cited
US2572874A
Cited
US2860871A
Cited
US2832661A
Cited
US3068708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |