Patent US3441702A successfully refreshed from Google Patents.
US3441702A
Expired / Lapsed
US
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Method and apparatus for heating thread-like products
Assignee: Akzona Inc
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Filing: 1967-04-25
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Granted: 1969-04-29
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Expires: 1987-04-25
Abstract
No abstract record available.
Inventors
- 👤 Andre Benoit De La Bretoniere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:48
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/06; D; D02; D02J; D02J13/00; D02J13/005; H05B6/10; H05B6/14; H05B6/145
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) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |