Patent US2960641A successfully refreshed from Google Patents.
Patent US561844A successfully refreshed from Google Patents.
US3045609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trolley transfer means
Assignee: Richards Wilcox Manufacturing Co
•
Filing: 1961-03-31
•
Granted: 1962-07-24
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Willard D Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:44
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/02; B61B10/025; B65; B65G; B65G47/00; B65G47/52; B65G47/60; B65G47/61; B65G2201/00; B65G2201/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |