Patent US3222799A successfully refreshed from Google Patents.
US3222799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating filaments
Assignee: Monsanto Co
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Filing: 1962-03-22
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Granted: 1965-12-14
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Expires: 1982-03-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Ernest A Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:19
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/16; D; D01; D01D; D01D5/00; D01D5/20; D02; D02J; D02J13/00; D02J13/005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
68 words
APPARATUS FOR ANNEALING SPACED PORTIONS OF A CONTINUOUS TOW COMPRISING, A ROTATING DRUM HAVING A PLURALITY OF APERTURES IN THE PERIPHERY THEREOF; A FIRST MEANS ADAPTED FOR DIRECTING A HEATED MEDIUM THROUGH ONLY A FIRST PORTION OF SAID APERTURES; AND, A SECOND MEANS ADAPTED FOR SIMULTANEOUSLY DIRECTING A COOLING MEDIUM THROUGH ONLY A SECOND PORTION OF SAID APERTURES, SAID FIRST MEANS AND SAID SECOND MEANS BEING POSITIONED IN
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |