US2826523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective covering
Assignee: Individual
•
Filing: 1954-07-26
•
Granted: 1958-03-11
•
Expires: 1974-07-26
Abstract
No abstract record available.
Inventors
- 👤 Blaszkowski Henry
- 👤 Richard A Papke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:03
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/02; F16L59/021; B; B29; B29C; B29C53/00; B29C53/02; B29C53/04; B29C53/32; B29L; B29L2009/00; Y; Y10; Y10S; Y10S206/00; Y10S206/825; Y10S280/00; Y10S280/04; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A PROCTECTIVE COVERING COMPRISING A LAMINATED FLEXIBLE SHEET FORMED OF A PLURALITY OF LAYERS ALL OF WHICH ARE PLIABLE, AT LEAST ONE OF SAID PLIABLE LAYERS BEING FORMED OF AN ELASTIC RESILIENT MATERIAL, SAID RESILIENT LAYER BEING ELASTICALLY PRESTRESSED WITHIN ITS ELASTIC LIMIT RELATIVE TO THE ADJACENT LAYER AND BONDED TO ONE SIDE OF THE ADJACENT LAYER.
Claim 2
Dependent Claim
57 words
A PROCTECTIVE COVERING COMPRISING A LAMINATED FLEXIBLE SHEET FORMED OF A PLURALITY OF LAYERS ALL OF WHICH ARE PLIABLE, AT LEAST ONE OF SAID PLIABLE LAYERS BEING FORMED OF AN ELASTIC RESILIENT MATERIAL, SAID RESILIENT LAYER BEING ELASTICALLY PRESTRESSED WITHIN ITS ELASTIC LIMIT RELATIVE TO THE ADJACENT LAYER AND BONDED TO ONE SIDE OF THE ADJACENT LAYER.
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) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |