Patent US4340283A successfully refreshed from Google Patents.
Patent US1803518A successfully refreshed from Google Patents.
US1803518A
Expired / Lapsed
US
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Spring-expanding apparatus
Assignee: UNITED METAL HOSE CO Inc
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Filing: 1927-11-01
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Granted: 1931-05-05
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Expires: 1947-11-01
Abstract
No abstract record available.
Inventors
- 👤 White Jonathan Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:20
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/30; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49844; Y10T29/53; Y10T29/53613; Y10T29/53622
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) | 1934-05-04 | 1934-11-03 | 1935-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-05-04 | 1938-11-03 | 1939-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-05-04 | 1942-11-03 | 1943-05-05 | $7700.00 | Window Closed / Lapsed |