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US3047248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic cut-off web winder
Assignee: Birch Brothers Inc
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Filing: 1960-05-23
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Granted: 1962-07-31
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Expires: 1980-05-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Clifford W Birch
- 👤 Briggs Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:43
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/22; B65H19/2238; B65H19/2246; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/413; B65H2301/4136; B65H2301/41361
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |