Patent US3002269A successfully refreshed from Google Patents.
US3002269A
Expired / Lapsed
US
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Method of forming ball and socket joints in metal tubular members
Assignee: Individual
•
Filing: 1959-01-09
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Granted: 1961-10-03
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Expires: 1979-01-09
Abstract
No abstract record available.
Inventors
- 👤 William C N Hopkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:56
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1805; F01N13/1811; B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21D; B21D22/00; B21D22/10; B21D22/105; B21D39/00; B21D39/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49853; Y10T29/49908; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2479702A
Cited
GB766741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |