US3024734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamic seal for varying operating conditions
Assignee: RTX Corp
•
Filing: 1959-06-16
•
Granted: 1962-03-13
•
Expires: 1979-06-16
Abstract
No abstract record available.
Inventors
- 👤 John A Dickson
- 👤 Arthur I Chalfant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:45
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/22; F04D29/2261; F04D29/2266; F04D29/08; F04D29/16; F04D29/165; F04D29/167; F04D7/00; F04D7/02; F04D7/06; F04D7/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US832651A
Cited
US1342592A
Cited
CH99576A
Cited
US1634317A
Cited
US1949474A
Cited
US2209109A
Cited
FR811589A
Cited
US2656096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |