Patent US1456940A successfully refreshed from Google Patents.
US1456940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaffold and roof bracket
Assignee: Individual
•
Filing: 1921-05-11
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Granted: 1923-05-29
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Expires: 1941-05-11
Abstract
No abstract record available.
Inventors
- 👤 Jay B F Showalter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:11
CPC Classifications
E; E04; E04G; E04G3/00; E04G3/24; E04G3/26; E04G3/265; E04G5/00; E04G5/04; E04G5/041
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) | 1926-05-28 | 1926-11-27 | 1927-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-05-28 | 1930-11-27 | 1931-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-05-28 | 1934-11-27 | 1935-05-29 | $7700.00 | Window Closed / Lapsed |