US3381793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer device
Assignee: Individual
•
Filing: 1967-02-15
•
Granted: 1968-05-07
•
Expires: 1987-02-15
Abstract
No abstract record available.
Inventors
- 👤 Douglas E Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:35
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/105; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/56; B23Q1/60; B23Q1/62; B23Q1/621; B23Q5/00; B23Q5/54; B23Q5/58; B23Q7/00; B23Q7/003; B65; B65G; B65G25/00; B65G25/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2934194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |