US3073353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasion-resistant ventilating jacket for jet engine starter hoses
Assignee: HK Porter Co Inc
•
Filing: 1958-06-25
•
Granted: 1963-01-15
•
Expires: 1978-06-25
Abstract
No abstract record available.
Inventors
- 👤 Godfrey J Rittenhouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:54
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/11; F16L11/118
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US92381A
Cited
US884634A
Cited
US1742775A
Cited
US1977775A
Cited
US2160240A
Cited
US2452047A
Cited
US2539853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |