US3089283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shrinkable film as a structural aid
Assignee: WR Grace and Co
•
Filing: 1960-10-24
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Granted: 1963-05-14
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Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 Wylic C Kirkpatrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:52
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/08; A; A63; A63H; A63H33/00; A63H33/04; A63H33/044; B; B29; B29C; B29C61/00; B29C61/02; E04B; E04B1/00; E04B1/35; E04B7/00; E04B7/20; E04B7/24; E04C5/07; Y; Y10; Y10S; Y10S428/00; Y10S428/913
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
SELF-ERECTING WALL PORTION FOR A TOY HOUSE ASSEMBLY COMPRISING: (A) A FLATTENED RECTANGULAR TUBE OF SHEET MATERIAL HAVING TWO OPPOSED GABLE WALLS ANAND TWO OPPOSED RECTANGULAR END WALLS; AND (B) AT LEAST ONE TENSION MEMBER HAVING A LENGTH APPROXIMATING THE SUM OF THE LENGTHS OF ONE GABLE WALL AND ONE END WALL, EACH OF SAID MEMBERS EXTENDING ACROSS THE INTERIOR OF SAID TUBE AND BEING FIXEDLY ATTACHED AT ITS RESPECTIVE ENDS ADJACENT DIAGONALLY OPPOSITE CORNERS OF SAID FLATTERED TUBE;
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |