US3243830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swimming pool vacuum cleaner
Assignee: Individual
•
Filing: 1964-09-29
•
Granted: 1966-04-05
•
Expires: 1984-09-29
Abstract
No abstract record available.
Inventors
- 👤 Conrad Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:53
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/14; E04H4/16; E04H4/1618; E04H4/1636
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A SWIMMING POOL VACUUM CLEANER INCLUDING: A HEAD AND MEANS SUPPORTING THE HEAD FOR MOVEMENT ON THE POOL ENCLOSURE: SAID HEAD COMPRISING A PLATE HAVING A BASE PROVIDED WITH A SURROUNDING MARGINAL FLANGE AND PROVIDED WITH A TRANSVERSE EMBOSSMENT HAVING SPACED APART TRANSVERSE ARCUATE GROOVES, A TUBULAR THROAT COMMUNICATING WITH THE BASE, SAID TUBULAR THROAT ADAPTED TO BE SECURED TO A VACUUM LINE WHEREBY WHEN THE VACUUM LINE IS OPERATING AND THE HEAD IS WITHIN WATER UPON A POOL ENCLOSURE SURFACE, WATER IS MOVED IN A CIRCULAR PATH UNDER THE PLATE BY THE ARCUATE GROOVES OF THE EMBOSSMENT INTO SAID TUBULAR THROAT.
Claim 2
Dependent Claim
102 words
A SWIMMING POOL VACUUM CLEANER INCLUDING: A HEAD AND MEANS SUPPORTING THE HEAD FOR MOVEMENT ON THE POOL ENCLOSURE: SAID HEAD COMPRISING A PLATE HAVING A BASE PROVIDED WITH A SURROUNDING MARGINAL FLANGE AND PROVIDED WITH A TRANSVERSE EMBOSSMENT HAVING SPACED APART TRANSVERSE ARCUATE GROOVES, A TUBULAR THROAT COMMUNICATING WITH THE BASE, SAID TUBULAR THROAT ADAPTED TO BE SECURED TO A VACUUM LINE WHEREBY WHEN THE VACUUM LINE IS OPERATING AND THE HEAD IS WITHIN WATER UPON A POOL ENCLOSURE SURFACE, WATER IS MOVED IN A CIRCULAR PATH UNDER THE PLATE BY THE ARCUATE GROOVES OF THE EMBOSSMENT INTO SAID TUBULAR THROAT.
References Cited (Backward Citations)
US3074087A
Cited
US3102289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |