US784037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch for overhead trolley-tracks.
Assignee: DRAPER CO
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Filing: 1905-01-04
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Granted: 1905-03-07
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Expires: 1925-01-04
Abstract
No abstract record available.
Inventors
- 👤 Robert N Cundall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:52
CPC Classifications
E; E01; E01B; E01B25/00; E01B25/22; E01B25/26; E01B2202/00; E01B2202/02; E01B2202/025
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) | 1908-03-06 | 1908-09-05 | 1909-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-03-06 | 1912-09-05 | 1913-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-03-06 | 1916-09-05 | 1917-03-07 | $7700.00 | Window Closed / Lapsed |