Patent US3460308A successfully refreshed from Google Patents.
US3460308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of structural units
Assignee: Elcon AG
•
Filing: 1965-08-09
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Granted: 1969-08-12
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Expires: 1985-08-09
Abstract
No abstract record available.
Inventors
- 👤 Fritz C Stucky
- 👤 Kenneth W Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:29
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/348; E04B1/34815; E04B1/34823; E04B1/18; E04B1/26; E04B1/2604; E04B1/2612; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49895; Y10T29/49901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA576628A
Cited
US1035766A
Cited
GB376308A
Cited
US2497887A
Cited
US2428374A
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US2413562A
Cited
US2616284A
Cited
US2948995A
Cited
US2952129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |