Patent US2474697A successfully refreshed from Google Patents.
Patent US1589801A successfully refreshed from Google Patents.
US1589801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible pipe connection
Assignee: Vapor Car Heating Co Inc
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Filing: 1922-03-17
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Granted: 1926-06-22
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Expires: 1942-03-17
Abstract
No abstract record available.
Inventors
- 👤 Egbert H Gold
- 👤 Edward A Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:59
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/02; F16L27/04; F16L27/044
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) | 1929-06-21 | 1929-12-21 | 1930-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-06-21 | 1933-12-21 | 1934-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-06-21 | 1937-12-21 | 1938-06-22 | $7700.00 | Window Closed / Lapsed |