Patent US3223369A successfully refreshed from Google Patents.
US3223369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ladder attachments
Assignee: Werner Co
•
Filing: 1964-04-30
•
Granted: 1965-12-14
•
Expires: 1984-04-30
Abstract
No abstract record available.
Inventors
- 👤 Jr James Albert Benninger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:49
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/14; E06C7/143
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A REMOVABLE ATTACHMENT FOR MOUNTING ITEMS HAVING A HANDLE ONTO THE RUNGS OF A LADDER AND THE LIKE, COMPRISING A BOSS HAVING ELLIPTICAL GROOVES FORMED AT CONJUGATE ANGLES THEREIN AND OF A DEPTH FOR RECEIVING A HANDLE OF AN ITEM, TUBULAR MEANS EXTENDING INTO A SOCKET OPENING AT THE CENTER OF SAID BOSS AND FORMING A CONNECTION WITH SAID BOSS, AND THE OPPOSITE END OF SAID TUBULAR MEANS BEING PROPORTIONED TO EXTEND INTO ONE OF THE VARIOUS OPENENDED RUNGS AT A PRESELECTED ELEVATIONAL LOCATION OF A LADDER TO PROIVDE A SUPPORT MOUNTING AT THE SIDE OF A LADDER.
Claim 2
Dependent Claim
98 words
A REMOVABLE ATTACHMENT FOR MOUNTING ITEMS HAVING A HANDLE ONTO THE RUNGS OF A LADDER AND THE LIKE, COMPRISING A BOSS HAVING ELLIPTICAL GROOVES FORMED AT CONJUGATE ANGLES THEREIN AND OF A DEPTH FOR RECEIVING A HANDLE OF AN ITEM, TUBULAR MEANS EXTENDING INTO A SOCKET OPENING AT THE CENTER OF SAID BOSS AND FORMING A CONNECTION WITH SAID BOSS, AND THE OPPOSITE END OF SAID TUBULAR MEANS BEING PROPORTIONED TO EXTEND INTO ONE OF THE VARIOUS OPENENDED RUNGS AT A PRESELECTED ELEVATIONAL LOCATION OF A LADDER TO PROIVDE A SUPPORT MOUNTING AT THE SIDE OF A LADDER.
References Cited (Backward Citations)
US1309060A
Cited
US1292956A
Cited
US1646049A
Cited
US2217188A
Cited
US2226228A
Cited
US2274411A
Cited
GB581092A
Cited
US2488480A
Cited
GB683720A
Cited
US3160383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |