Patent US628530A successfully refreshed from Google Patents.
US628530A
Expired / Lapsed
US
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Rock-drill and rock-drill bit, &c.
Assignee: Individual
•
Filing: 1898-10-15
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Granted: 1899-07-11
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Expires: 1918-10-15
Abstract
No abstract record available.
Inventors
- 👤 Alfred Gozzard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:24
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/02; B28; B28D; B28D1/00; B28D1/14; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1004; Y10T279/1008
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) | 1902-07-11 | 1903-01-10 | 1903-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-07-11 | 1907-01-10 | 1907-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-07-11 | 1911-01-10 | 1911-07-12 | $7700.00 | Window Closed / Lapsed |