Patent US1118138A successfully refreshed from Google Patents.
US1118138A
Expired / Lapsed
US
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Pyrophoric alloy.
Assignee: H BRIDGMAN SMITH
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Filing: 1913-04-26
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Granted: 1914-11-24
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Expires: 1933-04-26
Abstract
No abstract record available.
Inventors
- 👤 Anton Kratky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:49
CPC Classifications
C; C22; C22C; C22C28/00
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) | 1917-11-23 | 1918-05-25 | 1918-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-11-23 | 1922-05-25 | 1922-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-11-23 | 1926-05-25 | 1926-11-24 | $7700.00 | Window Closed / Lapsed |