US1735591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bridging for joists
Assignee: KALMAN STEEL CO
•
Filing: 1928-12-28
•
Granted: 1929-11-12
•
Expires: 1948-12-28
Abstract
No abstract record available.
Inventors
- 👤 William E White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:17
CPC Classifications
E; E21; E21D; E21D11/00; E21D11/14; E21D11/28; E04; E04C; E04C3/00; E04C3/02; E04C2003/026; Y; Y10; Y10T; Y10T403/00; Y10T403/44; Y10T403/447
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) | 1932-11-11 | 1933-05-13 | 1933-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-11-11 | 1937-05-13 | 1937-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-11-11 | 1941-05-13 | 1941-11-12 | $7700.00 | Window Closed / Lapsed |