Patent US2183337A successfully refreshed from Google Patents.
Patent US2130233A successfully refreshed from Google Patents.
US2130233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll lift stand
Assignee: F X HOOPER Co Inc
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Filing: 1935-07-06
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Granted: 1938-09-13
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Expires: 1955-07-06
Abstract
No abstract record available.
Inventors
- 👤 Henry B Greenwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:23
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/10; B65H19/12; B65H19/126; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/417; B65H2301/4171; B65H2301/4173; B65H2301/41734
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) | 1941-09-12 | 1942-03-14 | 1942-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-09-12 | 1946-03-14 | 1946-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-09-12 | 1950-03-14 | 1950-09-13 | $7700.00 | Window Closed / Lapsed |