US2471447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web feeding and cutting machine
Assignee: SETTER BROS Inc
•
Filing: 1944-09-02
•
Granted: 1949-05-31
•
Expires: 1964-09-02
Abstract
No abstract record available.
Inventors
- 👤 Stuart L Perkins
- 👤 Madeleine P Hathaway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:44
CPC Classifications
B; B29; B29C; B29C37/00; B31; B31C; B31C5/00; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/907; Y10S264/00; Y10S264/50; Y10T; Y10T225/00; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/35
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US465428A
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US1090914A
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US1383868A
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US2079651A
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US2250572A
Cited
US2266995A
Cited
US2318953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |