Patent US1517544A successfully refreshed from Google Patents.
US1517544A
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US
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Means for coupling telescoped tubular members
Assignee: Individual
•
Filing: 1922-02-02
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Granted: 1924-12-02
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Expires: 1942-02-02
Abstract
No abstract record available.
Inventors
- 👤 Emil R Draver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:41
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1805; F16; F16L; F16L25/00; F16L25/04; F01N2450/00; F01N2450/24; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87788; Y10T137/87804
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) | 1927-12-02 | 1928-06-02 | 1928-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-12-02 | 1932-06-02 | 1932-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-12-02 | 1936-06-02 | 1936-12-02 | $7700.00 | Window Closed / Lapsed |