US3294196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency escape ladder and amusement device
Assignee: Individual
•
Filing: 1965-05-13
•
Granted: 1966-12-27
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Expires: 1985-05-13
Abstract
No abstract record available.
Inventors
- 👤 Nicholas A Rabelos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:15
CPC Classifications
E; E06; E06C; E06C9/00; E06C9/06; E06C9/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A DEVICE COMPRISING AN ELONGATED FLEXIBLE LINE, MEANS AT THE UPPER END OF SAID LINE FOR SUPPORTING ENGAGEMENT WITH AN ELEVATED SUPPORT, A PLURALITY OF SUPPORT MEMBERS ATTACHED TO SAID LINE AT LONGITUDINALLY SPACED POINTS THEREON, EACH OF SAID SUPPORT MEMBERS BEING IN THE FORM OF A SUBSTANTIALLY CIRCULAR DISC INCLUDING A RELATIVELY THIN CIRCULAR PLATE HAVING A DEPENDING FLANGE AT THE OUTER EDGE THEREOF AND A RELATIVELY THICK HUB AT THE CENTER THEREOF, SAID HUB HAVING A TAPERED BORE EXTENDING THERETHROUGH WITH THE LARGER DIMENSION OF THE BORE BEING AT THE BOTTOM THEREOF, ENLARGEMENT MEANS ON SAID LINE FOR WEDGING ENGAGEMENT WITH THE BOTTOM PORTION OF SAID BORE, SAID DISC INCLUDING ARCUATE OPENINGS ADJACENT THE PERIPHERY THEREOF WITH THE INNER EDGE OF THE FLANGE DEFINING ONE EDGE OF THE OPENING THEREBY PROVIDING HANDHOLDS FOR PERSONS CLIMBING THE LINE.
Claim 2
Independent Claim
139 words
A DEVICE COMPRISING AN ELONGATED FLEXIBLE LINE, MEANS AT THE UPPER END OF SAID LINE FOR SUPPORTING ENGAGEMENT WITH AN ELEVATED SUPPORT, A PLURALITY OF SUPPORT MEMBERS ATTACHED TO SAID LINE AT LONGITUDINALLY SPACED POINTS THEREON, EACH OF SAID SUPPORT MEMBERS BEING IN THE FORM OF A SUBSTANTIALLY CIRCULAR DISC INCLUDING A RELATIVELY THIN CIRCULAR PLATE HAVING A DEPENDING FLANGE AT THE OUTER EDGE THEREOF AND A RELATIVELY THICK HUB AT THE CENTER THEREOF, SAID HUB HAVING A TAPERED BORE EXTENDING THERETHROUGH WITH THE LARGER DIMENSION OF THE BORE BEING AT THE BOTTOM THEREOF, ENLARGEMENT MEANS ON SAID LINE FOR WEDGING ENGAGEMENT WITH THE BOTTOM PORTION OF SAID BORE, SAID DISC INCLUDING ARCUATE OPENINGS ADJACENT THE PERIPHERY THEREOF WITH THE INNER EDGE OF THE FLANGE DEFINING ONE EDGE OF THE OPENING THEREBY PROVIDING HANDHOLDS FOR PERSONS CLIMBING THE LINE.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |