Patent US3045165A successfully refreshed from Google Patents.
Patent US3526162A successfully refreshed from Google Patents.
US3526162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for cutting of non-metallic materials
Assignee: Rogers Freels & Associates Inc
•
Filing: 1968-05-21
•
Granted: 1970-09-01
•
Expires: 1988-05-21
Abstract
No abstract record available.
Inventors
- 👤 Jesse A Willcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:45
CPC Classifications
B; B23; B23P; B23P25/00; B23P25/003; B26; B26D; B26D7/00; B26D7/08; B26D7/10; B26F; B26F3/00; B26F3/004; B28; B28B; B28B17/00; B28B17/0036; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/041; Y10T83/0414; Y10T83/0591; Y10T83/283; Y10T83/364
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
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 |