Patent US3243047A successfully refreshed from Google Patents.
US3243047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display apparatus for flat surface articles
Assignee: Individual
•
Filing: 1964-07-29
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Granted: 1966-03-29
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Expires: 1984-07-29
Abstract
No abstract record available.
Inventors
- 👤 William N Witteborg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:08
CPC Classifications
A; A47; A47F; A47F7/00; A47F7/14; A47F7/148
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A SPRING CLIP ARTICLE HOLDER FOR USE WITH AN APERTURED BOARD TYPE SUPPORT RACK HAVING SPACED APART PARALLEL APERTURED BOARDS, THE HOLDER COMPRISING; AT LEAST TWO SPACED APART GENERALLY VERTICAL WIRE ROD INCLUDING HOOKS FORMED IN THEIR LOWER ENDS FOR SUPPORTING THE FLAT SURFACE ARTICLES, AT LEAST TWO SPACED APART GENERALLY HORIZONTAL WIRE RODS ATTACHED TO THE VERTICAL RODS AND EXTENDING BEYOND THE VERTICAL RODS TO PROVIDE EXTENSIONS FOR ENGAGING HOLES IN THE SPACED APART PARALLEL APERTURED
Claim 2
Dependent Claim
77 words
A SPRING CLIP ARTICLE HOLDER FOR USE WITH AN APERTURED BOARD TYPE SUPPORT RACK HAVING SPACED APART PARALLEL APERTURED BOARDS, THE HOLDER COMPRISING; AT LEAST TWO SPACED APART GENERALLY VERTICAL WIRE ROD INCLUDING HOOKS FORMED IN THEIR LOWER ENDS FOR SUPPORTING THE FLAT SURFACE ARTICLES, AT LEAST TWO SPACED APART GENERALLY HORIZONTAL WIRE RODS ATTACHED TO THE VERTICAL RODS AND EXTENDING BEYOND THE VERTICAL RODS TO PROVIDE EXTENSIONS FOR ENGAGING HOLES IN THE SPACED APART PARALLEL APERTURED
References Cited (Backward Citations)
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Cited
US1997829A
Cited
US2172881A
Cited
US2367289A
Cited
GB712658A
Cited
US2784847A
Cited
US2884221A
Cited
US2923417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |