US2793148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical products
Assignee: Polaroid Corp
•
Filing: 1953-03-17
•
Granted: 1957-05-21
•
Expires: 1973-03-17
Abstract
No abstract record available.
Inventors
- 👤 Cutler D West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:19
CPC Classifications
B; B29; B29D; B29D11/00; B29D11/0073; G; G02; G02B; G02B1/00; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23929; Y10T428/31504; Y10T428/31551; Y10T428/31645; Y10T428/31649
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A LAMINATED PRODUCT COMPRISING, IN SEQUENCE, A FIRST LAYER COMPOSED OF GLASS, A SECOND LAYER COMPOSED OF AN ADHESIVE MATERIAL CONTAINING SUCCINONITRILE AS ITS PREDOMINANT INGREDIENT, AND A THIRD LAYER COMPOSED OF GLASS.
Claim 2
Dependent Claim
33 words
A LAMINATED PRODUCT COMPRISING, IN SEQUENCE, A FIRST LAYER COMPOSED OF GLASS, A SECOND LAYER COMPOSED OF AN ADHESIVE MATERIAL CONTAINING SUCCINONITRILE AS ITS PREDOMINANT INGREDIENT, AND A THIRD LAYER COMPOSED OF GLASS.
References Cited (Backward Citations)
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US2453665A
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US2493200A
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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) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |