Patent US1554739A successfully refreshed from Google Patents.
US1554739A
Expired / Lapsed
US
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Method and apparatus for making corrugated tubes
Assignee: UNITED METAL HOSE Co Inc
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Filing: 1920-05-24
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Granted: 1925-09-22
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Expires: 1940-05-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:52
CPC Classifications
B; B21; B21D; B21D15/00; B21D15/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49881; Y10T29/53; Y10T29/53709
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) | 1928-09-21 | 1929-03-23 | 1929-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-09-21 | 1933-03-23 | 1933-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-09-21 | 1937-03-23 | 1937-09-22 | $7700.00 | Window Closed / Lapsed |