US1564965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coupling
Assignee: Individual
•
Filing: 1923-04-21
•
Granted: 1925-12-08
•
Expires: 1943-04-21
Abstract
No abstract record available.
Inventors
- 👤 Edgar J Phillips
- 👤 Earl A Darr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:15
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/26; Y; Y10; Y10T; Y10T279/00; Y10T279/17
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) | 1928-12-07 | 1929-06-08 | 1929-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-12-07 | 1933-06-08 | 1933-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-12-07 | 1937-06-08 | 1937-12-08 | $7700.00 | Window Closed / Lapsed |