US3439406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sealing guide joints
Assignee: Svenska Flaktfabriken AB
•
Filing: 1966-12-12
•
Granted: 1969-04-22
•
Expires: 1986-12-12
Abstract
No abstract record available.
Inventors
- 👤 Sven Wallin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:06
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/0209; B; B21; B21D; B21D39/00; B21D39/03; B25; B25B; B25B27/00; B25B27/0092; E; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6812; F16; F16L; F16L23/00; F16L23/12; F16L23/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49885; Y10T29/49945; Y10T29/53; Y10T29/53657
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US760216A
Cited
US2379179A
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US2491700A
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US2916054A
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US2974078A
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US3173268A
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US3199901A
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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) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |