US2979058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of laminated filter tip
Assignee: Olin Corp
•
Filing: 1957-01-15
•
Granted: 1961-04-11
•
Expires: 1977-01-15
Abstract
No abstract record available.
Inventors
- 👤 Milton O Schur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:47
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/04; A24D3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US729680A
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US987359A
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CH66121A
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GB377147A
Cited
GB430786A
Cited
US2219491A
Cited
US2171770A
Cited
US2178820A
Cited
US2820460A
Cited
US2755206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |