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US2471369A
Expired / Lapsed
US
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Method of making parisons
Assignee: CARR LOWREY GLASS CO
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Filing: 1944-06-26
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Granted: 1949-05-24
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Expires: 1964-06-26
Abstract
No abstract record available.
Inventors
- 👤 Charles B Garwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:20
CPC Classifications
C; C03; C03B; C03B9/00; C03B9/30; C03B9/36; C03B9/3627
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US744007A
Cited
US851163A
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US1680746A
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US1680544A
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US1635704A
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US1945982A
Cited
US2063463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |