Patent US2801323A successfully refreshed from Google Patents.
US2801323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible hoses
Assignee: Individual
•
Filing: 1955-05-26
•
Granted: 1957-07-30
•
Expires: 1975-05-26
Abstract
No abstract record available.
Inventors
- 👤 Heron Andrew George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:22
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/12; F16L11/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1252614A
Cited
US1809714A
Cited
US1905343A
Cited
US2274839A
Cited
US2526405A
Cited
US2516864A
Cited
US2652093A
Cited
US2657097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |