Patent US3273586A successfully refreshed from Google Patents.
US3273586A
Expired / Lapsed
US
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Detergent feed systems
Assignee: Calgon Corp
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Filing: —
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Granted: 1966-09-20
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Expires: 1983-09-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:27
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/44; A47L15/4436; A47L15/0018; A47L15/0055; A47L15/449; A47L2401/00; A47L2401/30; A47L2501/00; A47L2501/01; Y; Y10; Y10T; Y10T137/00; Y10T137/4891; Y10T137/8593; Y10T137/86292; Y10T137/86324; Y10T137/86332
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A GRANULATED DETERGENT PACKAGE FOR AUTOMATIC DISPENSING OF DETERGENT IN SOLUTION COMPRISING A RIGID SEALED CONTAINER SUBSTANTIALLY FILLED WITH DRY GRANULATED DETERGENT, A WATER INLET FIXTURE ON SAID CONTAINER, AN OUTLET FIXTURE ON THE TOP OF SAID CONTAINER INCLUDING A TERMINUS IN THE INTERIOR OF SAID CONTAINER AT A POINT ON A HORIZONTAL PLANE SUCH THAT WHEN THE CONTAINER IS UPRIGHT, THE VOLUME ABOVE WHICH PLANE IS NO GREATER THAN ABOUT ONE-SIXTH OF THE TOTAL VOLUME OF THE CONTAINER BUT WHICH IS SUFFICIENTLY GREAT WHEN OCCUPIED BY AIR TO PROVIDE INSULATION FOR SAID FIXTURES FROM HOT DETERGENT SOLUTION AND EFFECTIVE PROTECTION FOR THE CONTAINER SEAL FROM PRESSURE SHOCKS.
Claim 2
Dependent Claim
108 words
A GRANULATED DETERGENT PACKAGE FOR AUTOMATIC DISPENSING OF DETERGENT IN SOLUTION COMPRISING A RIGID SEALED CONTAINER SUBSTANTIALLY FILLED WITH DRY GRANULATED DETERGENT, A WATER INLET FIXTURE ON SAID CONTAINER, AN OUTLET FIXTURE ON THE TOP OF SAID CONTAINER INCLUDING A TERMINUS IN THE INTERIOR OF SAID CONTAINER AT A POINT ON A HORIZONTAL PLANE SUCH THAT WHEN THE CONTAINER IS UPRIGHT, THE VOLUME ABOVE WHICH PLANE IS NO GREATER THAN ABOUT ONE-SIXTH OF THE TOTAL VOLUME OF THE CONTAINER BUT WHICH IS SUFFICIENTLY GREAT WHEN OCCUPIED BY AIR TO PROVIDE INSULATION FOR SAID FIXTURES FROM HOT DETERGENT SOLUTION AND EFFECTIVE PROTECTION FOR THE CONTAINER SEAL FROM PRESSURE SHOCKS.
References Cited (Backward Citations)
US3200835A
Cited
US3165114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |