Patent US777742A successfully refreshed from Google Patents.
US777742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System of metallic girders for structures of cement, concrete, or the like.
Assignee: Individual
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Filing: 1904-07-12
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Granted: 1904-12-20
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Expires: 1924-07-12
Abstract
No abstract record available.
Inventors
- 👤 Georges Adolphe Parent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:09
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/20; E04C3/04; E04C2003/0486; E04C2003/0491
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) | 1907-12-20 | 1908-06-20 | 1908-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-12-20 | 1912-06-20 | 1912-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-12-20 | 1916-06-20 | 1916-12-20 | $7700.00 | Window Closed / Lapsed |