US710615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic tack-hammer.
Assignee: Individual
•
Filing: 1902-06-13
•
Granted: 1902-10-07
•
Expires: 1922-06-13
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Robertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:56
CPC Classifications
B; B25; B25D; B25D1/00; B25D1/04; B25D1/06; Y; Y10; Y10S; Y10S7/00; Y10S7/901
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) | 1905-10-06 | 1906-04-07 | 1906-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-10-06 | 1910-04-07 | 1910-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-10-06 | 1914-04-07 | 1914-10-07 | $7700.00 | Window Closed / Lapsed |