US505242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Book dbill botatim device
Assignee: —
•
Filing: —
•
Granted: 1893-09-19
•
Expires: 1910-09-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:20
CPC Classifications
E; E21; E21B; E21B3/00; E21B3/02; F; F16; F16H; F16H25/00; F16H25/08; F16H25/12; F16H2025/127
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) | 1896-09-18 | 1897-03-20 | 1897-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-09-19 | 1901-03-21 | 1901-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-09-19 | 1905-03-21 | 1905-09-20 | $7700.00 | Window Closed / Lapsed |