US853129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traveling platform, grate, or surface.
Assignee: Individual
•
Filing: 1907-03-19
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Granted: 1907-05-07
•
Expires: 1927-03-19
Abstract
No abstract record available.
Inventors
- 👤 Alfred L Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:49
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/06; B65G17/08; B66; B66B; B66B23/00; B66B23/08; B66B23/10; B65G2201/00; B65G2201/02
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) | 1910-05-06 | 1910-11-05 | 1911-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-05-06 | 1914-11-05 | 1915-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-05-06 | 1918-11-05 | 1919-05-07 | $7700.00 | Window Closed / Lapsed |