US3054173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of assembling pressure sealed joints in hollow vessels
Assignee: Individual
•
Filing: 1954-06-16
•
Granted: 1962-09-18
•
Expires: 1974-06-16
Abstract
No abstract record available.
Inventors
- 👤 Frank A Rudman
- 👤 John J Roach
- 👤 Laurent Ruby Sandoz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:25
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02; F16J13/10; B; B21; B21D; B21D51/00; B21D51/16; B21D51/24; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49876; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918; Y10T29/49945
Claims Analysis
Total Claims: 0
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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) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |