Patent US2635823A successfully refreshed from Google Patents.
US2635823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll stand
Assignee: HG Weber and Co Inc
•
Filing: 1951-04-21
•
Granted: 1953-04-21
•
Expires: 1971-04-21
Abstract
No abstract record available.
Inventors
- 👤 Herbert H Weber
- 👤 Joseph O Olsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:08
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/10; B65H19/18; B65H19/1857; B65H19/1863; B65H19/1805; B65H19/181; B65H19/1815; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/417; B65H2301/4171; B65H2301/4173; B65H2301/41734
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US940272A
Cited
US935494A
Cited
US1605568A
Cited
US1655226A
Cited
US1671685A
Cited
GB273016A
Cited
US1945981A
Cited
US2108232A
Cited
US2094896A
Cited
US2130233A
Cited
US2535815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |