US2236489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission
Assignee: WATERBURY TOOL CO
•
Filing: 1936-03-28
•
Granted: 1941-03-25
•
Expires: 1956-03-28
Abstract
No abstract record available.
Inventors
- 👤 Edwin L Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:59
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/28; B66D1/40; B66D1/48; B66D1/52; B66D2700/00; B66D2700/01; B66D2700/0108; Y; Y10; Y10S; Y10S60/00; Y10S60/905
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) | 1944-03-24 | 1944-09-23 | 1945-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-03-24 | 1948-09-23 | 1949-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-03-24 | 1952-09-23 | 1953-03-25 | $7700.00 | Window Closed / Lapsed |