Patent US310529A successfully refreshed from Google Patents.
US310529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
lowbie
Assignee: —
•
Filing: —
•
Granted: 1885-01-06
•
Expires: 1902-01-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:05
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/02; E03D1/16; E03D1/165; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2774; Y10T137/2795; Y10T137/4456; Y10T137/4463; Y10T137/4471; Y10T137/4478; Y10T137/4501; Y10T137/7287; Y10T137/7313; Y10T137/7316; Y10T137/7319; Y10T137/7323; Y10T137/7358; Y10T137/7439; Y10T137/7488
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) | 1888-01-06 | 1888-07-07 | 1889-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1892-01-06 | 1892-07-07 | 1893-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1896-01-06 | 1896-07-07 | 1897-01-06 | $7700.00 | Window Closed / Lapsed |