US3449899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable count and slubbing apparatus and method
Assignee: ELECTRO MATIC CORP
•
Filing: 1968-03-01
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Granted: 1969-06-17
•
Expires: 1988-03-01
Abstract
No abstract record available.
Inventors
- 👤 Francis M Cureton
- 👤 Jackson L Mcmanus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:12
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/32; D01H5/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2622282A
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US2612743A
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US2595220A
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US2811011A
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US2810165A
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US2878636A
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US2962771A
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US2929114A
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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) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |