Patent FR2467214A1 successfully refreshed from Google Patents.
US2855787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable pitch sheave
Assignee: Worthington Corp
•
Filing: 1954-05-03
•
Granted: 1958-10-14
•
Expires: 1974-05-03
Abstract
No abstract record available.
Inventors
- 👤 Howard W Kumro
- 👤 Fred G Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:26
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/52; F16H55/56; F16H55/566; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7018; Y10T403/7021; Y10T403/7041; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7056
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US364537A
Cited
US1353382A
Cited
US1758182A
Cited
US2001675A
Cited
US2524027A
Cited
GB622461A
Cited
GB646869A
Cited
DE809870C
Cited
US2633031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |