US3072929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow structures and methods for forming same
Assignee: Individual
•
Filing: 1959-10-22
•
Granted: 1963-01-15
•
Expires: 1979-10-22
Abstract
No abstract record available.
Inventors
- 👤 Bruno B Skoggard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:32
CPC Classifications
B; B63; B63B; B63B7/00; B63B7/06; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1034
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A FRAMELESS HOLLOW STRUCTURE HAVING LONGITUDINAL AND TRANSVERSE AXES, SAID STRUCTURE BEING FORMED OF SHEETS OF PLIABLE MATERIAL LAMINATED TOGETHER AS A SANDWICH, THE INNERMOST SHEET OF SAID SANDWICH BEING MADE UP OF JERSEY CLOTH GENERALLY IN THE FORM OF A SOCK, SAID JERSEY CLOTH INITIALLY BEING RESILIENTLY STRETCHABLE TO A MATERIALLY GREATER EXTENT TRANSVERSELY OF SAID SOCK FORM THAN LONGITUDINALLY THEREOF, WHEREBY SAID SOCK MAY BE PULLED ENDWISE OVER A LONGITUDINAL FRAMEWORK OF GREATER TRANSVERSE SECTION THAN THE TRANSVERSE SECTION OF SAID SOCK IN UNSTRETCHED FORM, SAID SOCK BEING PRESTRESSED BOTH LONGITUDINALLY AND TRANSVERSELY AND BEING STRETCHED TO A GREATER EXTENT TRANSVERSELY THAN LONGITUDINALLY, THE NEXT SHEET OF SAID SANDWICH BEING FORMED OF UNSTRESSED PLIABLE SHEET MATERIAL APPLIED OVER SAID INNERMOST SHEET AND A SETTABLE BINDER IMPREGNATING SAID UNSTRESSED SHEET MATERIAL AND ADHERING TO SAID INNERMOST SHEET.
Claim 2
Dependent Claim
138 words
A FRAMELESS HOLLOW STRUCTURE HAVING LONGITUDINAL AND TRANSVERSE AXES, SAID STRUCTURE BEING FORMED OF SHEETS OF PLIABLE MATERIAL LAMINATED TOGETHER AS A SANDWICH, THE INNERMOST SHEET OF SAID SANDWICH BEING MADE UP OF JERSEY CLOTH GENERALLY IN THE FORM OF A SOCK, SAID JERSEY CLOTH INITIALLY BEING RESILIENTLY STRETCHABLE TO A MATERIALLY GREATER EXTENT TRANSVERSELY OF SAID SOCK FORM THAN LONGITUDINALLY THEREOF, WHEREBY SAID SOCK MAY BE PULLED ENDWISE OVER A LONGITUDINAL FRAMEWORK OF GREATER TRANSVERSE SECTION THAN THE TRANSVERSE SECTION OF SAID SOCK IN UNSTRETCHED FORM, SAID SOCK BEING PRESTRESSED BOTH LONGITUDINALLY AND TRANSVERSELY AND BEING STRETCHED TO A GREATER EXTENT TRANSVERSELY THAN LONGITUDINALLY, THE NEXT SHEET OF SAID SANDWICH BEING FORMED OF UNSTRESSED PLIABLE SHEET MATERIAL APPLIED OVER SAID INNERMOST SHEET AND A SETTABLE BINDER IMPREGNATING SAID UNSTRESSED SHEET MATERIAL AND ADHERING TO SAID INNERMOST SHEET.
References Cited (Backward Citations)
GB131384A
Cited
US2232313A
Cited
US2617126A
Cited
GB727657A
Cited
US2813050A
Cited
US2815309A
Cited
US2807811A
Cited
US2941216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |