Patent US3278949A successfully refreshed from Google Patents.
US3278949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swimming pool cleaning apparatus
Assignee: Individual
•
Filing: 1965-09-27
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Granted: 1966-10-18
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Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Brackston T Whitaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:48
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/14; E04H4/16; E04H4/1681; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A SWIMMING POOL CLEANING APPATATUS, WHICH COMPRISES: (A) A PLURALITY OF HOLLOW TUBULAR WHIPS; (B) A SOURCE OF WATER CONNECTED TO SAID WHIPS: (C) REGULATING MEANS TO REGULATE THE DIRECTION OF FLOW OF WATER FROM SAID SOURCE THROUGH THE HOLLOW WHIPS; (D) AUTOMATIC MEANS RESPONSIVE TO THE FLOW OF WATER THROUGH SAID WHIPS, TO EXEND AND RETRACT SAID WHIPS INTO AND OUT OF THE SWIMMING POOL, DEPENDING UPON THE DIRECTION OF WATER FLOW THROUGH SAID WHIPS.
Claim 2
Dependent Claim
76 words
A SWIMMING POOL CLEANING APPATATUS, WHICH COMPRISES: (A) A PLURALITY OF HOLLOW TUBULAR WHIPS; (B) A SOURCE OF WATER CONNECTED TO SAID WHIPS: (C) REGULATING MEANS TO REGULATE THE DIRECTION OF FLOW OF WATER FROM SAID SOURCE THROUGH THE HOLLOW WHIPS; (D) AUTOMATIC MEANS RESPONSIVE TO THE FLOW OF WATER THROUGH SAID WHIPS, TO EXEND AND RETRACT SAID WHIPS INTO AND OUT OF THE SWIMMING POOL, DEPENDING UPON THE DIRECTION OF WATER FLOW THROUGH SAID WHIPS.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |