Patent US2938369A successfully refreshed from Google Patents.
Patent US1834970A successfully refreshed from Google Patents.
US1834970A
Expired / Lapsed
US
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Cutting or scoring machine
Assignee: RIC WIL Co
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Filing: 1928-05-26
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Granted: 1931-12-08
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Expires: 1948-05-26
Abstract
No abstract record available.
Inventors
- 👤 Robert H Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:22
CPC Classifications
B; B28; B28B; B28B17/00; B28B17/0036; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0333; Y10T83/0348; Y10T83/04; Y10T83/0596; Y10T83/647; Y10T83/6584; Y10T83/6587; Y10T83/6588; Y10T83/659
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) | 1934-12-07 | 1935-06-08 | 1935-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-12-07 | 1939-06-08 | 1939-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-12-07 | 1943-06-08 | 1943-12-08 | $7700.00 | Window Closed / Lapsed |