US3123200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
donaldson
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:26
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/34; B65G47/46; B65G47/48; B65G47/482
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1503936A
Cited
US1510562A
Cited
US1504705A
Cited
US1858619A
Cited
US1948040A
Cited
US1914778A
Cited
US1941891A
Cited
US2322485A
Cited
US2788117A
Cited
US2818161A
Cited
US3062356A
Cited
US3034634A
Cited
US3023878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |