Patent US2254501A successfully refreshed from Google Patents.
US2254501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient roller
Assignee: Individual
•
Filing: 1938-10-07
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Granted: 1941-09-02
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Expires: 1958-10-07
Abstract
No abstract record available.
Inventors
- 👤 Peter A Solem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:14
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B27; B27B; B27B25/00; B27B25/02; B27C; B27C1/00; B27C1/12; B65G39/04; B65G39/07; Y; Y10; Y10S; Y10S241/00; Y10S241/30
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) | 1944-09-01 | 1945-03-03 | 1945-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-01 | 1949-03-03 | 1949-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-01 | 1953-03-03 | 1953-09-02 | $7700.00 | Window Closed / Lapsed |