US2953878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making filter rods
Assignee: Olin Corp
•
Filing: 1957-12-23
•
Granted: 1960-09-27
•
Expires: 1977-12-23
Abstract
No abstract record available.
Inventors
- 👤 Milton O Schur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:34
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/02; A24D3/0275; A24D3/0287
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE21007E
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US2219491A
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GB447779A
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US2236579A
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US2742907A
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US2748776A
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US2667877A
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GB778044A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |