Patent US3276543A successfully refreshed from Google Patents.
US3276543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable foot support for ladders
Assignee: Individual
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Filing: 1964-10-15
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Granted: 1966-10-04
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Expires: 1984-10-15
Abstract
No abstract record available.
Inventors
- 👤 Kanoza Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:57
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/08; E06C7/081; E06C7/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A FOOT SUPPORT FOR A LADDER COMPOSED OF A PAIR OF PARALLEL SIDE RAILS AND SPACED ROUND RUNGS, COMPRISING: SPACED SIDE PLATES, A PLURALITY OF SPACED PLATE MEANS EXTENDING BETWEEN AND SECURED TO SAID SIDE PLATES FOR PROVIDING FLAT SUPPORTING SURFACES; THE DEPTH OF SAID SIDE PLATES AND SAID SPACED PLATE MEANS BEING SUBSTANTIALLY EQUAL TO THE DEPTH OF SAID PARALLEL SIDE RAILS; AND SLOT MEANS, ONE EACH FORMED IN EACH OF SAID SIDE PLATES BELOW THE LEVEL OF EACH OF SAID PLATE MEANS FOR RECEIVING A RUNG OF SAID LADDER, EACH OF SAID SLOT MEANS BEING INCLINED FROM THE REAR EDGE OF THE SIDE PLATE UPWARDLY TOWARD THE PLATE MEANS AND TERMINATING AT LEAST AT THE LEVEL OF THE LOWER
Claim 2
Dependent Claim
121 words
A FOOT SUPPORT FOR A LADDER COMPOSED OF A PAIR OF PARALLEL SIDE RAILS AND SPACED ROUND RUNGS, COMPRISING: SPACED SIDE PLATES, A PLURALITY OF SPACED PLATE MEANS EXTENDING BETWEEN AND SECURED TO SAID SIDE PLATES FOR PROVIDING FLAT SUPPORTING SURFACES; THE DEPTH OF SAID SIDE PLATES AND SAID SPACED PLATE MEANS BEING SUBSTANTIALLY EQUAL TO THE DEPTH OF SAID PARALLEL SIDE RAILS; AND SLOT MEANS, ONE EACH FORMED IN EACH OF SAID SIDE PLATES BELOW THE LEVEL OF EACH OF SAID PLATE MEANS FOR RECEIVING A RUNG OF SAID LADDER, EACH OF SAID SLOT MEANS BEING INCLINED FROM THE REAR EDGE OF THE SIDE PLATE UPWARDLY TOWARD THE PLATE MEANS AND TERMINATING AT LEAST AT THE LEVEL OF THE LOWER
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |