US3430352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the heat-treatment of materials which can be stressed in a longitudinal direction
Assignee: Vepa AG
•
Filing: 1967-03-01
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Granted: 1969-03-04
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Expires: 1987-03-01
Abstract
No abstract record available.
Inventors
- 👤 Hans Fleissner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:39
CPC Classifications
D; D06; D06B; D06B19/00; D06B19/0005; D06B19/0011; D06B19/0023; F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/16; Y; Y10; Y10S; Y10S68/00; Y10S68/902; Y10S68/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3345757A
Cited
US2174744A
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US2919496A
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US3140157A
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US3196555A
Cited
US3197896A
Cited
US3303576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |