US3021989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape handling mechanism
Assignee: Individual
•
Filing: 1959-08-24
•
Granted: 1962-02-20
•
Expires: 1979-08-24
Abstract
No abstract record available.
Inventors
- 👤 Jack D Sellers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:59
CPC Classifications
B; B65; B65H; B65H20/00; B65H20/28; G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR964735A
Cited
US667436A
Cited
US1282154A
Cited
US1686907A
Cited
US1883987A
Cited
US1998931A
Cited
US2278685A
Cited
US2499699A
Cited
FR58721E
Cited
US2721650A
Cited
US2865639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |