Patent US3426115A successfully refreshed from Google Patents.
US3426115A
Expired / Lapsed
US
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Method of making a self-coiling sheet
Assignee: Mead Corp
•
Filing: 1965-07-23
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Granted: 1969-02-04
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Expires: 1985-07-23
Abstract
No abstract record available.
Inventors
- 👤 Russell E Taber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:23
CPC Classifications
B; B29; B29C; B29C61/00; B29C61/06; B29C61/10; B29C53/00; B29C53/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1988604A
Cited
US2212128A
Cited
US2270185A
Cited
US2323286A
Cited
US2393058A
Cited
US2586763A
Cited
US2796631A
Cited
US2852143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |