Patent US928935A successfully refreshed from Google Patents.
US928935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fireproof beam.
Assignee: Individual
•
Filing: 1906-05-10
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Granted: 1909-07-27
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Expires: 1926-05-10
Abstract
No abstract record available.
Inventors
- 👤 George W Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:41
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/29; E04C3/293
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) | 1912-07-26 | 1913-01-25 | 1913-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-07-26 | 1917-01-25 | 1917-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-07-26 | 1921-01-25 | 1921-07-27 | $7700.00 | Window Closed / Lapsed |