US3173577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic tank filling apparatus
Assignee: Northrop Grumman Guidance and Electronics Co Inc
•
Filing: 1961-12-01
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Granted: 1965-03-16
•
Expires: 1981-12-01
Abstract
No abstract record available.
Inventors
- 👤 Daniel H Robbins
- 👤 Milfred H Craft
- 👤 Edmund J Pierce
- 👤 John R Kane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:04
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/02; G03D3/06; G03D3/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A LIQUID STORAGE AND SUPPLY SYSTEM COMPRISING A FRAME, A TANK FOR HOLDING LIQUID AND THAT IS MOUNTED IN SAID FRAME, A BIN THAT IS MOUNTED FOR MOVEMENT RELATIVE TO SAID FRAME BETWEEN AN UPPER POSITION AND A LOWER POSITION, SAID BIN BEING FORMED FOR RECEIVING A LIQUID CONTAINER, AND CONDUIT MEANS PROVIDING COMMUNICATION FOR LIQUID FLOW BETWEEN SAID CONTAINER AND SAID TANK INCLUDING VALVE MEANS TO CONTROL THE FLOW OF LIQUID IN SAID CONDUIT AND THAT IS FORMED AUTOMATICALLY A STOP THE FLOW OF LIQUID FROM THE CONTAINER TO THE TANK WHEN THE LIQUID IN THE TANK ATTAINS A PREDETERMINED LEVEL, SAID TANK, CONDUIT MEANS, CONTAINER AND BIN BEING DISPOSED TO PERMIT LIQUID FLOW FROM THE CONTAINER TO THE TANK IN THE UPPER POSITION OF THE BIN, AND FROM THE TANK TO THE CONTAINER IN THE LOWER POSITION OF THE BIN.
Claim 2
Dependent Claim
142 words
A LIQUID STORAGE AND SUPPLY SYSTEM COMPRISING A FRAME, A TANK FOR HOLDING LIQUID AND THAT IS MOUNTED IN SAID FRAME, A BIN THAT IS MOUNTED FOR MOVEMENT RELATIVE TO SAID FRAME BETWEEN AN UPPER POSITION AND A LOWER POSITION, SAID BIN BEING FORMED FOR RECEIVING A LIQUID CONTAINER, AND CONDUIT MEANS PROVIDING COMMUNICATION FOR LIQUID FLOW BETWEEN SAID CONTAINER AND SAID TANK INCLUDING VALVE MEANS TO CONTROL THE FLOW OF LIQUID IN SAID CONDUIT AND THAT IS FORMED AUTOMATICALLY A STOP THE FLOW OF LIQUID FROM THE CONTAINER TO THE TANK WHEN THE LIQUID IN THE TANK ATTAINS A PREDETERMINED LEVEL, SAID TANK, CONDUIT MEANS, CONTAINER AND BIN BEING DISPOSED TO PERMIT LIQUID FLOW FROM THE CONTAINER TO THE TANK IN THE UPPER POSITION OF THE BIN, AND FROM THE TANK TO THE CONTAINER IN THE LOWER POSITION OF THE BIN.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |