US2989764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning and finishing machine employing belt brushes
Assignee: Osborn Manufacturing Corp
•
Filing: 1958-09-22
•
Granted: 1961-06-27
•
Expires: 1978-09-22
Abstract
No abstract record available.
Inventors
- 👤 Ruben O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:13
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/04; B24B21/10; B21; B21B; B21B45/00; Y; Y10; Y10T; Y10T29/00; Y10T29/47; Y10T29/476
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US872468A
Cited
US1228430A
Cited
US1961210A
Cited
DE596319C
Cited
US2158694A
Cited
US2358334A
Cited
GB562075A
Cited
US2907151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |