Patent US2541928A successfully refreshed from Google Patents.
US2541928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller for moving heavy objects
Assignee: Individual
•
Filing: 1947-09-08
•
Granted: 1951-02-13
•
Expires: 1967-09-08
Abstract
No abstract record available.
Inventors
- 👤 Peter B Loomis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:17
CPC Classifications
B; B65; B65G; B65G7/00; B65G7/02; B65G7/04; B63; B63C; B63C3/00; B63C3/12; Y; Y10; Y10S; Y10S280/00; Y10S280/07
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US5104A
Cited
US1228914A
Cited
US1504079A
Cited
US1554316A
Cited
US2134063A
Cited
US2179125A
Cited
US2200661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |