US3526369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck spindle
Assignee: Leesona Corp
•
Filing: 1967-11-09
•
Granted: 1970-09-01
•
Expires: 1987-11-09
Abstract
No abstract record available.
Inventors
- 👤 Walter L Beckwith Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:08
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/40; B65H54/54; B65H54/543; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1037; Y10T279/1074; Y10T279/19; Y10T279/24; Y10T279/243
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2734691A
Cited
US664643A
Cited
US1333632A
Cited
US1807199A
Cited
US2266408A
Cited
US2638283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |