US3241422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vector seal fastener
Assignee: Armco Inc
•
Filing: 1963-03-06
•
Granted: 1966-03-22
•
Expires: 1983-03-06
Abstract
No abstract record available.
Inventors
- 👤 John G Heimovics
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:49
CPC Classifications
F; F16; F16B; F16B33/00; F16B33/004; F16B43/00; F16B43/001; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/947; Y10S411/955; Y10S411/956; Y10S411/957; Y10S411/959; Y10S411/96
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US316619A
Cited
US641956A
Cited
US2531048A
Cited
US2449846A
Cited
GB659486A
Cited
GB690269A
Cited
US3087370A
Cited
US2995057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |