US3087644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure plate for airplane spray tank
Assignee: Individual
•
Filing: 1962-02-06
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Granted: 1963-04-30
•
Expires: 1982-02-06
Abstract
No abstract record available.
Inventors
- 👤 George W Hill
- 👤 Vincent C Little
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:34
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02; F16J13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A CLOSURE PLATE IN COMBINATION WITH A SPRAY TANK COMPRISING: A GASKET MOUNTED INSIDE OF SAID SPRAY TANK SPACED FROM THE END THEREOF ADAPTED TO COOPERATE WITH SAID CLOSURE PLATE; A PLURALITY OF ARCUATE SLOTS ON THE INSIDE OF SAID SPRAY TANK EQUALLY SPACED FROM AND PARALLEL TO SAID GASKET; A CLOSURE PLATE PIVOTALLY ATTACHED TO SAID SPRAY TANK AT THE END THEREOF; EXPLOSIVE RELEASING MEANS SUPPORTED ON SAID CLOSURE PLATE ADAPTED TO COOPERATE WITH SAID SLOTS; LOCKING MEANS MOUNTED ON SAID TANK ADAPTED TO ENGAGE AND RETAIN SAID CLOSURE PLATE IN AN OPEN POSITION.
Claim 2
Dependent Claim
95 words
A CLOSURE PLATE IN COMBINATION WITH A SPRAY TANK COMPRISING: A GASKET MOUNTED INSIDE OF SAID SPRAY TANK SPACED FROM THE END THEREOF ADAPTED TO COOPERATE WITH SAID CLOSURE PLATE; A PLURALITY OF ARCUATE SLOTS ON THE INSIDE OF SAID SPRAY TANK EQUALLY SPACED FROM AND PARALLEL TO SAID GASKET; A CLOSURE PLATE PIVOTALLY ATTACHED TO SAID SPRAY TANK AT THE END THEREOF; EXPLOSIVE RELEASING MEANS SUPPORTED ON SAID CLOSURE PLATE ADAPTED TO COOPERATE WITH SAID SLOTS; LOCKING MEANS MOUNTED ON SAID TANK ADAPTED TO ENGAGE AND RETAIN SAID CLOSURE PLATE IN AN OPEN POSITION.
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |