Patent US4166980A successfully refreshed from Google Patents.
US775818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of chipping glass.
Assignee: Individual
•
Filing: 1904-05-25
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Granted: 1904-11-22
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Expires: 1924-05-25
Abstract
No abstract record available.
Inventors
- 👤 Philip J Handel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:28
CPC Classifications
C; C03; C03B; C03B31/00; C03C; C03C2218/00; C03C2218/30; C03C2218/355
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) | 1907-11-22 | 1908-05-23 | 1908-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-11-22 | 1912-05-23 | 1912-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-11-22 | 1916-05-23 | 1916-11-22 | $7700.00 | Window Closed / Lapsed |