Patent US2137377A successfully refreshed from Google Patents.
US2137377A
Expired / Lapsed
US
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Laminated glass
Assignee: Rohm and Haas Co
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Filing: 1934-02-20
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Granted: 1938-11-22
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Expires: 1954-02-20
Abstract
No abstract record available.
Inventors
- 👤 Bauer Walter
- 👤 Weisert Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:41
CPC Classifications
C; C09; C09J; C09J131/00; C09J131/02; C08; C08L; C08L1/00; C08L1/08; C08L1/10; C08L2666/00; C08L2666/02; C08L2666/26; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31634; Y10T428/31638; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192; Y10T428/31935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-11-21 | 1942-05-23 | 1942-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-21 | 1946-05-23 | 1946-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-21 | 1950-05-23 | 1950-11-22 | $7700.00 | Window Closed / Lapsed |