US2926772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing support for helical feed screws
Assignee: Individual
•
Filing: 1958-04-14
•
Granted: 1960-03-01
•
Expires: 1978-04-14
Abstract
No abstract record available.
Inventors
- 👤 Reed Theron John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:21
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/24; B65G33/32; A; A01; A01K; A01K5/00; A01K5/02; A01K5/0258
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE367116C
Cited
US2009734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |