US770050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joist-hanger.
Assignee: Individual
•
Filing: 1904-04-18
•
Granted: 1904-09-13
•
Expires: 1924-04-18
Abstract
No abstract record available.
Inventors
- 👤 William D Dreyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:19
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/0446; F16B9/00; F16B9/05; F16B9/052; F16B2200/00; F16B2200/50; F16B2200/503
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) | 1907-09-13 | 1908-03-14 | 1908-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-09-13 | 1912-03-14 | 1912-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-09-13 | 1916-03-14 | 1916-09-13 | $7700.00 | Window Closed / Lapsed |