Patent US2307142A successfully refreshed from Google Patents.
US2307142A
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Method of and apparatus for superposing and severing webs
Assignee: ST Regis Paper Co
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Filing: 1941-10-25
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Granted: 1943-01-05
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Expires: 1961-10-25
Abstract
No abstract record available.
Inventors
- 👤 Harry E Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:11
CPC Classifications
B; B31; B31B; B31B70/00; B31F; B31F5/00; B31F5/04; B31B2155/00; B31B2160/00; B31B2160/10; B31B2170/00; B31B2170/20; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4705
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) | 1946-01-04 | 1946-07-06 | 1947-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-01-04 | 1950-07-06 | 1951-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-01-04 | 1954-07-06 | 1955-01-05 | $7700.00 | Window Closed / Lapsed |