US2873965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding device for strip material
Assignee: Celanese Corp
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Filing: 1955-06-09
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Granted: 1959-02-17
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Expires: 1975-06-09
Abstract
No abstract record available.
Inventors
- 👤 John G Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:48
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/12; B65H45/22; A; A24; A24D; A24D3/00; A24D3/02; A24D3/0229; A24D3/0245
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) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |