US3148807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic hanging folder
Assignee: Individual
•
Filing: 1961-11-24
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Granted: 1964-09-15
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Expires: 1981-11-24
Abstract
No abstract record available.
Inventors
- 👤 David A Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:19
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/02; B65H45/06; B65H45/10; B65H45/101; D; D06; D06F; D06F89/00; D06F89/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A DEVICE FOR FOLDING ARTICLES OF FLEXIBLE MATERIAL SUSPENDED IN A SUBSTANTIALLY VERTICAL HANGING POSITION, INCLUDING A FOLDING MECHANISM COMPRISING MEANS TO CLAMP THE UPPER PORTION OF THE ARTICLE TO SUSPEND THE SAME, MEANS TO CLAMP THE LOWER PORTION OF THE ARTICLE, MEANS TO FOLD THE SIDE PORTIONS OF THE ARTICLE INWARDLY OF THE CENTRAL PORTION SUBSTANTIALLY ALONG VERTICAL LINES, MEANS TO FOLD THE LOWER PORTION OF THE ARTICLE UPWARDLY ABOUT A PRE-ESTABLISHED SUBSTANTIALLY HORIZONTAL LINE, AND MEANS TO FOLD THE UPPER PORTION AND THE LOWER PORTION ALONG A SECOND PRE-ESTABLISHED SUBSTANTIALLY HORIZONTAL LINE TO OVERLIE EACH OTHER.
Claim 2
Independent Claim
98 words
A DEVICE FOR FOLDING ARTICLES OF FLEXIBLE MATERIAL SUSPENDED IN A SUBSTANTIALLY VERTICAL HANGING POSITION, INCLUDING A FOLDING MECHANISM COMPRISING MEANS TO CLAMP THE UPPER PORTION OF THE ARTICLE TO SUSPEND THE SAME, MEANS TO CLAMP THE LOWER PORTION OF THE ARTICLE, MEANS TO FOLD THE SIDE PORTIONS OF THE ARTICLE INWARDLY OF THE CENTRAL PORTION SUBSTANTIALLY ALONG VERTICAL LINES, MEANS TO FOLD THE LOWER PORTION OF THE ARTICLE UPWARDLY ABOUT A PRE-ESTABLISHED SUBSTANTIALLY HORIZONTAL LINE, AND MEANS TO FOLD THE UPPER PORTION AND THE LOWER PORTION ALONG A SECOND PRE-ESTABLISHED SUBSTANTIALLY HORIZONTAL LINE TO OVERLIE EACH OTHER.
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |