Patent US1818670A successfully refreshed from Google Patents.
US2595408A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1950-05-19
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Granted: 1952-05-06
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Expires: 1970-05-19
Abstract
No abstract record available.
Inventors
- 👤 Quest Arthur Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:36
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/02; A; A01; A01G; A01G25/00; A01G25/02; F16L31/00; Y; Y10; Y10S; Y10S454/00; Y10S454/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |