US2826226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutter chain for power saws
Assignee: Individual
•
Filing: 1952-10-08
•
Granted: 1958-03-11
•
Expires: 1972-10-08
Abstract
No abstract record available.
Inventors
- 👤 Richard W Donley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:07
CPC Classifications
B; B27; B27B; B27B33/00; B27B33/14; B27B33/142; B27B33/141; B27B33/148; Y; Y10; Y10T; Y10T83/00; Y10T83/909; Y10T83/913; Y10T83/925
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1979001A
Cited
US532705A
Cited
US619888A
Cited
US518646A
Cited
NL44344C
Cited
US895727A
Cited
US958676A
Cited
US992656A
Cited
US1064865A
Cited
US1779083A
Cited
US2622636A
Cited
US2515550A
Cited
US2508784A
Cited
CH272660A
Cited
US2774396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |