Patent US2239291A successfully refreshed from Google Patents.
US2239291A
Expired / Lapsed
US
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Scroll cutting machine
Assignee: International Register Co
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Filing: 1938-12-05
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Granted: 1941-04-22
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Expires: 1958-12-05
Abstract
No abstract record available.
Inventors
- 👤 Wendell L Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:47
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/38; B23; B23D; B23D49/00; B23D49/10; B23D49/16; B23D49/162; B23D49/165; B23D49/167; B23D51/00; B23D51/02; B26F1/3806; B26F1/3813; B26F1/382; B26F2001/3893
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) | 1944-04-21 | 1944-10-21 | 1945-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-04-21 | 1948-10-21 | 1949-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-04-21 | 1952-10-21 | 1953-04-22 | $7700.00 | Window Closed / Lapsed |