Patent US2229669A successfully refreshed from Google Patents.
US2229669A
Expired / Lapsed
US
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Method of making nipples for pipe unions for coupling sections of pipes
Assignee: Individual
•
Filing: 1939-09-18
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Granted: 1941-01-28
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Expires: 1959-09-18
Abstract
No abstract record available.
Inventors
- 👤 Gordon W Oremus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:32
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/22; B22C9/24; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49412; Y10T29/49414; Y10T29/49428; Y10T29/49799; Y10T428/00; Y10T428/12; Y10T428/12361
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-01-28 | 1944-07-29 | 1945-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-01-28 | 1948-07-29 | 1949-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-01-28 | 1952-07-29 | 1953-01-28 | $7700.00 | Window Closed / Lapsed |