Patent US2430921A successfully refreshed from Google Patents.
US2430921A
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Method of making hose couplings
Assignee: Individual
•
Filing: 1943-07-03
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Granted: 1947-11-18
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Expires: 1963-07-03
Abstract
No abstract record available.
Inventors
- 👤 Edelmann Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:40
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/04; B21D39/046; F; F16; F16L; F16L19/00; F16L19/02; F16L19/025; F16L19/028; F16L19/0283; F16L33/00; F16L33/20; F16L33/207; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49909; Y10T29/49913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US440844A
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US1778244A
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US1969548A
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US1901088A
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US1951860A
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US1965426A
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US2019540A
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US2054362A
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US2077869A
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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) | 1950-11-17 | 1951-05-19 | 1951-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-17 | 1955-05-19 | 1955-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-17 | 1959-05-19 | 1959-11-18 | $7700.00 | Window Closed / Lapsed |