US2363769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary cutting disk
Assignee: ALBERT G MATHER
•
Filing: 1942-06-26
•
Granted: 1944-11-28
•
Expires: 1962-06-26
Abstract
No abstract record available.
Inventors
- 👤 Charles F Zipper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:17
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/04; B22F2009/045; B22F2009/046; Y; Y10; Y10T; Y10T407/00; Y10T407/18; Y10T407/1815; Y10T407/19; Y10T407/1906
Claims Analysis
Total Claims: 0
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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) | 1947-11-28 | 1948-05-29 | 1948-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-28 | 1952-05-29 | 1952-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-28 | 1956-05-29 | 1956-11-28 | $7700.00 | Window Closed / Lapsed |