US3277219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of molding a building structure by spraying a foamed plastic on the inside of an inflatable form
Assignee: Individual
•
Filing: 1961-03-27
•
Granted: 1966-10-04
•
Expires: 1981-03-27
Abstract
No abstract record available.
Inventors
- 👤 Lloyd S Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:00
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/16; E04B1/167; E04B1/168; E04B1/169; B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/14; E04G; E04G11/00; E04G11/04; E04G11/045; B29L; B29L2031/00; B29L2031/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A METHOD FOR ERECTING A STRUCTURE COMPRISING: IMFLATING A FORM, POSITIONING THICKNESS GAUGES WITHIN THE INNER SURFACE OF THE FORM, SAID THICKNESS GAUGES GEING PREFORMED FROM A PLASTIC FOAM MATERIAL, SPRAYING AN ADDITIONAL QUANTITY OF THE SAME PLASTIC FOAM MATERIAL AGAINST THE INSIDE OF THE FORM TO BUILD UP A LAYER HAVING A THICKNESS DETERMINED BY THE THICKNESS GAGUES WHICH BECOME INTEGRAL WITH THE LAYER, AND ALLOWING THE PLASTIC FOAM TO HARDEN AND BECOME RIGID AND SELF-SUPPORTING.
Claim 2
Independent Claim
77 words
A METHOD FOR ERECTING A STRUCTURE COMPRISING: IMFLATING A FORM, POSITIONING THICKNESS GAUGES WITHIN THE INNER SURFACE OF THE FORM, SAID THICKNESS GAUGES GEING PREFORMED FROM A PLASTIC FOAM MATERIAL, SPRAYING AN ADDITIONAL QUANTITY OF THE SAME PLASTIC FOAM MATERIAL AGAINST THE INSIDE OF THE FORM TO BUILD UP A LAYER HAVING A THICKNESS DETERMINED BY THE THICKNESS GAGUES WHICH BECOME INTEGRAL WITH THE LAYER, AND ALLOWING THE PLASTIC FOAM TO HARDEN AND BECOME RIGID AND SELF-SUPPORTING.
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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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |