US3090489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ladder with integral water supply
Assignee: Individual
•
Filing: 1960-10-24
•
Granted: 1963-05-21
•
Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 George L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:45
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/14; E04H4/148; E04H4/12; E04H4/1209; E04H4/144; E06; E06C; E06C9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
ACCESSORY APPARTUS FOR A SWIMMING POOL COMPRISING AS A COMPLETE FUNCTIONAL UNIT AND IN COMBINATION, A LADDER STRUCTURE HAVING AT LEAST A PART THEREOF A HOLLOW FORM, SAID PART OF HOLLOW FORM BEING CONSTRUCTED TO HAVE AT LEAST A PORTION THEREOF DISPOSED WITHIN A POOL WHEN THE LADDER IS SET UP FOR USE, A LIQUID PUMPING AND FILTERING MECHANISM OPERATIVELY COUPLED WITH SAID PART OF HOLLOW FORM FOR EFFECTING MOVEMENT OF LIQUID THERETHROUGH, AND MEANS FOR ESTABLISHING COMMUNICATION BETWEEN THE INTERIOR OF SAID PART AND THE EXTERIOR THEREOF THROUGH WHICH MOVEMENT OF FLUID MAY BE EFFECTED FOR THE PERFORMANCE OF A DESIRED FUNCTION, AND SAID PUMPING AND FILTERING MECHANISM BEING POSITIONED FOR OPERATION IN RELATIVELY CLOSE PROXIMITY TO SAID LADDER STRUCTURE TO PROVIDE SAID COMPLETE FUNCTIONAL UNIT WHEREIN THE MECHANISM IS CONVENIENTLY ACCESSIBLE TO AND READILY CONTROLLED BY A USER OF THE APPARATUS.
Claim 2
Dependent Claim
143 words
ACCESSORY APPARTUS FOR A SWIMMING POOL COMPRISING AS A COMPLETE FUNCTIONAL UNIT AND IN COMBINATION, A LADDER STRUCTURE HAVING AT LEAST A PART THEREOF A HOLLOW FORM, SAID PART OF HOLLOW FORM BEING CONSTRUCTED TO HAVE AT LEAST A PORTION THEREOF DISPOSED WITHIN A POOL WHEN THE LADDER IS SET UP FOR USE, A LIQUID PUMPING AND FILTERING MECHANISM OPERATIVELY COUPLED WITH SAID PART OF HOLLOW FORM FOR EFFECTING MOVEMENT OF LIQUID THERETHROUGH, AND MEANS FOR ESTABLISHING COMMUNICATION BETWEEN THE INTERIOR OF SAID PART AND THE EXTERIOR THEREOF THROUGH WHICH MOVEMENT OF FLUID MAY BE EFFECTED FOR THE PERFORMANCE OF A DESIRED FUNCTION, AND SAID PUMPING AND FILTERING MECHANISM BEING POSITIONED FOR OPERATION IN RELATIVELY CLOSE PROXIMITY TO SAID LADDER STRUCTURE TO PROVIDE SAID COMPLETE FUNCTIONAL UNIT WHEREIN THE MECHANISM IS CONVENIENTLY ACCESSIBLE TO AND READILY CONTROLLED BY A USER OF THE APPARATUS.
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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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |