US2998028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible tube or hose
Assignee: Individual
•
Filing: 1958-07-21
•
Granted: 1961-08-29
•
Expires: 1978-07-21
Abstract
No abstract record available.
Inventors
- 👤 Rohde Adolf Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:17
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/12; F16L11/121; F16L11/08; Y; Y10; Y10S; Y10S138/00; Y10S138/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE32983C
Cited
US392040A
Cited
GB447816A
Cited
GB647226A
Cited
US2922613A
Cited
US2800145A
Cited
US2704556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |