US2934409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical dispenser for swimming pools
Assignee: Individual
•
Filing: 1957-10-04
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Granted: 1960-04-26
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Expires: 1977-10-04
Abstract
No abstract record available.
Inventors
- 👤 Melvin L Biehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:10
CPC Classifications
B; B01; B01J; B01J4/00; B01J4/001; B01F; B01F21/00; B01F21/20; B01F21/22; C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/688; B01F33/00; B01F33/50; B01F33/503; C02F2103/00; C02F2103/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A FLOATING-SUBMERGIBLE TYPE DISPENSER DISPOSED TO DISPENSE CHEMICALS WHILE IN A LIQUID FILLED POOL AND COMPRISING A FLOAT, A WEIGHT, A CORD HAVING SAID FLOAT AND SAID WEIGHT SECURED TO OPPOSITE ENDS THEREOF, A CHEMICAL RECEIVING CONTAINER HAVING A HOLE TO RECEIVE SAID CORD A COVER HAVING A HOLE TO RECEIVE SAID CORD, A MOVEMENT LIMITING KNOT IN SAID CORD DISPOSED TO LIMIT THE AXIAL MOVEMENT OF SAID CONTAINER AND COVER THEREON, AND LOCKING MEANS TO SECURE SAID COVER TO SAID CONTAINER AFTER
Claim 2
Dependent Claim
83 words
A FLOATING-SUBMERGIBLE TYPE DISPENSER DISPOSED TO DISPENSE CHEMICALS WHILE IN A LIQUID FILLED POOL AND COMPRISING A FLOAT, A WEIGHT, A CORD HAVING SAID FLOAT AND SAID WEIGHT SECURED TO OPPOSITE ENDS THEREOF, A CHEMICAL RECEIVING CONTAINER HAVING A HOLE TO RECEIVE SAID CORD A COVER HAVING A HOLE TO RECEIVE SAID CORD, A MOVEMENT LIMITING KNOT IN SAID CORD DISPOSED TO LIMIT THE AXIAL MOVEMENT OF SAID CONTAINER AND COVER THEREON, AND LOCKING MEANS TO SECURE SAID COVER TO SAID CONTAINER AFTER
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) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |