Patent US3386142A successfully refreshed from Google Patents.
US3386142A
Expired / Lapsed
US
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Strand treatment process and apparatus
Assignee: Techniservice Corp
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Filing: 1966-07-22
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Granted: 1968-06-04
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Expires: 1986-07-22
Abstract
No abstract record available.
Inventors
- 👤 Robert K Stanley
- 👤 Malcolm F Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:00
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; B; B29; B29C; B29C67/00; D; D02; D02G; D02G1/00; D02G1/12; D02G1/125
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) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |