US2218769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supporting bracket for electric conductors
Assignee: DENVER B BALL
•
Filing: 1938-11-08
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Granted: 1940-10-22
•
Expires: 1958-11-08
Abstract
No abstract record available.
Inventors
- 👤 Columbus E Postlethwait
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:46
CPC Classifications
H; H02; H02G; H02G7/00; H02G7/20; G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/0405; H01; H01B; H01B17/00; H01B17/24; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44034; Y10T24/44239; Y10T24/44265
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) | 1943-10-22 | 1944-04-22 | 1944-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-22 | 1948-04-22 | 1948-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-22 | 1952-04-22 | 1952-10-22 | $7700.00 | Window Closed / Lapsed |