US2955044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Membranous shape-sustaining receptacles
Assignee: Tupper Corp
•
Filing: 1956-12-18
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Granted: 1960-10-04
•
Expires: 1976-12-18
Abstract
No abstract record available.
Inventors
- 👤 Earl S Tupper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:29
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/02; F25D3/06; F25D3/08; A; A23; A23G; A23G9/00; A23G9/04; A23G9/22; A23G9/221; A61; A61F; A61F7/00; A61F7/10; B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/32; B65D75/325; B65D75/327; F25C; F25C1/00; F25C1/22; F25C1/24; A61F2007/0001; A61F2007/0098; A61F7/02; A61F2007/0268; B65D2575/00; B65D2575/28; B65D2575/30; B65D2575/32; B65D2575/3209; B65D2575/3218; B65D2575/3245; F25D2303/00; F25D2303/08; F25D2303/082; F25D2303/0822; F25D2303/08222; F25D2303/08223; Y; Y10; Y10S; Y10S206/00; Y10S206/82; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24661
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A NORMALLY SELF-SUPPORTING, SHAPE-RETAINING, DEFORMABLE AND SUBSTANTIALLY SHAPE-REASSUMABLE UNITARY AND MEMBRANOUS CAVITY MOLD FORMED OF A PLASTIC MATERIAL HAVING SIMILAR PHYSICAL CHARACTERISTICS AS POLYETHYLENE TO AFFORD THE AFOREMENTIONED CHARACTERISTICS OF SAID CAVITY MOLD, COMPRISING AN OPEN-MOUTHED MOLD CAVITY HAVING WALLS FORMING THE MOUTH OF THE MOLD, A PERIPHERAL FLANGE FOR THE MOUTH OF THE CAVITY AND INTEGRALLY JOINED TO THE SAID CAVITY WALLS, SAID CAVITY WALLS BEING DRAWN TO MEMBRANOUS GAUGE AND BEING SUFFICIENTLY STIFF AS TO BE SELF-SUPPORTING AND SHAPE-RETAINING, AND BEING FINGER-DEFORMABLE, SUBSTANTIA6LY SHAPE-REASSUMABLE AND INVERTIBLE ABOUT THE SAID FLANGE, SAID FLANGE BEING OF HIGHER GAUGE THAN THE CAVITY WALLS AND BEING RESILIENTLY FLEXIBLE.
Claim 2
Dependent Claim
106 words
A NORMALLY SELF-SUPPORTING, SHAPE-RETAINING, DEFORMABLE AND SUBSTANTIALLY SHAPE-REASSUMABLE UNITARY AND MEMBRANOUS CAVITY MOLD FORMED OF A PLASTIC MATERIAL HAVING SIMILAR PHYSICAL CHARACTERISTICS AS POLYETHYLENE TO AFFORD THE AFOREMENTIONED CHARACTERISTICS OF SAID CAVITY MOLD, COMPRISING AN OPEN-MOUTHED MOLD CAVITY HAVING WALLS FORMING THE MOUTH OF THE MOLD, A PERIPHERAL FLANGE FOR THE MOUTH OF THE CAVITY AND INTEGRALLY JOINED TO THE SAID CAVITY WALLS, SAID CAVITY WALLS BEING DRAWN TO MEMBRANOUS GAUGE AND BEING SUFFICIENTLY STIFF AS TO BE SELF-SUPPORTING AND SHAPE-RETAINING, AND BEING FINGER-DEFORMABLE, SUBSTANTIA6LY SHAPE-REASSUMABLE AND INVERTIBLE ABOUT THE SAID FLANGE, SAID FLANGE BEING OF HIGHER GAUGE THAN THE CAVITY WALLS AND BEING RESILIENTLY FLEXIBLE.
References Cited (Backward Citations)
US2227236A
Cited
US2182454A
Cited
US2412187A
Cited
US2468585A
Cited
US2547736A
Cited
US2433211A
Cited
US2527919A
Cited
US2649392A
Cited
US2657998A
Cited
US2749245A
Cited
US2666710A
Cited
US2689183A
Cited
US2736656A
Cited
US2736150A
Cited
US2631939A
Cited
US2750294A
Cited
US2752251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |