US1274206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for making reinforced sheet-glass.
Assignee: Individual
•
Filing: 1916-11-22
•
Granted: 1918-07-30
•
Expires: 1936-11-22
Abstract
No abstract record available.
Inventors
- 👤 Constantine Shuman
- 👤 Victor Shuman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:33
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/3003; B30B9/3039
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) | 1921-07-29 | 1922-01-28 | 1922-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-07-29 | 1926-01-28 | 1926-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-07-29 | 1930-01-28 | 1930-07-30 | $7700.00 | Window Closed / Lapsed |