US2988130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making jet engine refueling hose
Assignee: HK Porter Co Inc
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Filing: 1958-11-06
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Granted: 1961-06-13
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Expires: 1978-11-06
Abstract
No abstract record available.
Inventors
- 👤 Godfrey J Rittenhouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:37
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; F; F16; F16L; F16L11/00; F16L11/04; F16L11/08; F16L11/085; B29K; B29K2021/00; B29K2105/00; B29K2105/06; Y; Y10; Y10S; Y10S138/00; Y10S138/07; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/108
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) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |