US3371427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing web material
Assignee: Proctor and Schwartz Inc
•
Filing: 1965-09-14
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Granted: 1968-03-05
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Expires: 1985-09-14
Abstract
No abstract record available.
Inventors
- 👤 Sr John R Thygeson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:17
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/101; D; D06; D06B; D06B1/00; D06B1/02; D06B3/00; D06B3/10; D06B3/20; D06B3/201; F26B13/103; F26B21/00; F26B21/20; F26B21/25; F26B21/50; F26B21/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1419534A
Cited
US2152238A
Cited
US2621422A
Cited
US2682116A
Cited
US2952078A
Cited
US2916796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |