Patent US2192981A successfully refreshed from Google Patents.
US966652A
Expired / Lapsed
US
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Method and apparatus for tempering the sheet source in sheet-glass-drawing machines.
Assignee: COLBURN MACHINE GLASS Co
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Filing: 1908-09-28
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Granted: 1910-08-09
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Expires: 1928-09-28
Abstract
No abstract record available.
Inventors
- 👤 Irving W Colburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:16
CPC Classifications
C; C03; C03B; C03B15/00; C03B15/02; C03B15/04
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) | 1913-08-08 | 1914-02-07 | 1914-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-08-08 | 1918-02-07 | 1918-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-08-08 | 1922-02-07 | 1922-08-09 | $7700.00 | Window Closed / Lapsed |