US2652660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing laminated sheets of glass
Assignee: Individual
•
Filing: 1951-02-20
•
Granted: 1953-09-22
•
Expires: 1971-02-20
Abstract
No abstract record available.
Inventors
- 👤 Kurz Fredrik Wilhelm Anton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:10
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/20; C03B23/203; C03B23/02; C03B23/037; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24488
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE223379C
Cited
USRE21313E
Cited
US631220A
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FR384097A
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US1734965A
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US2183961A
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US2122246A
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US2193207A
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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) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |