Patent US1899343A successfully refreshed from Google Patents.
US1899343A
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Method of making a connection
Assignee: WIEMAN KAMMERER WRIGHT Co
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Filing: 1930-06-14
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Granted: 1933-02-28
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Expires: 1950-06-14
Abstract
No abstract record available.
Inventors
- 👤 Thomas O Mackey
- 👤 Donaldson William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:36
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/06; B23; B23P; B23P11/00; F; F16; F16B; F16B3/00; F16B3/04; Y; Y10; Y10S; Y10S16/00; Y10S16/42; Y10S411/00; Y10S411/91; Y10S411/924; Y10S411/929; Y10S411/942; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49849; Y10T29/49863; Y10T29/49865; Y10T29/49947; Y10T29/49954
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) | 1936-02-28 | 1936-08-29 | 1937-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-02-28 | 1940-08-29 | 1941-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-02-28 | 1944-08-29 | 1945-02-28 | $7700.00 | Window Closed / Lapsed |