Patent US1815473A successfully refreshed from Google Patents.
US1815473A
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Method of and apparatus for drawing sheet glass
Assignee: HARDING GLASS Co
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Filing: 1930-04-29
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Granted: 1931-07-21
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Expires: 1950-04-29
Abstract
No abstract record available.
Inventors
- 👤 Wayne E Harding
- 👤 Cecil C Weekley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:46
CPC Classifications
C; C03; C03B; C03B15/00; C03B15/02; C03B15/06; C03B5/00; C03B5/16; C03B5/18; C03B5/187; C03B5/1875
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) | 1934-07-20 | 1935-01-19 | 1935-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-07-20 | 1939-01-19 | 1939-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-07-20 | 1943-01-19 | 1943-07-21 | $7700.00 | Window Closed / Lapsed |