Patent US765570A successfully refreshed from Google Patents.
US765570A
Expired / Lapsed
US
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Sheet-glass-making apparatus.
Assignee: Individual
•
Filing: 1903-09-10
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Granted: 1904-07-19
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Expires: 1923-09-10
Abstract
No abstract record available.
Inventors
- 👤 William B Fenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:50
CPC Classifications
C; C03; C03B; C03B11/00; C03B11/06; C03B11/08
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) | 1907-07-19 | 1908-01-18 | 1908-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-07-19 | 1912-01-18 | 1912-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-07-19 | 1916-01-18 | 1916-07-19 | $7700.00 | Window Closed / Lapsed |