Patent US3404687A successfully refreshed from Google Patents.
US3404687A
Expired / Lapsed
US
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Cigarette paper
Assignee: ECYSTA Corp A CORP OF DE
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Filing: 1966-12-23
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Granted: 1968-10-08
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Expires: 1986-12-23
Abstract
No abstract record available.
Inventors
- 👤 James C Rickards
- 👤 Jr William F Owens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:46
CPC Classifications
A; A24; A24D; A24D1/00; A24D1/02; A24D1/027; D; D21; D21H; D21H5/00; D21H5/12; D21H5/14; D21H5/16
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) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |