US871333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spacing instrument.
Assignee: Individual
•
Filing: 1906-07-30
•
Granted: 1907-11-19
•
Expires: 1926-07-30
Abstract
No abstract record available.
Inventors
- 👤 Gandolfo Giambra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:36
CPC Classifications
B; B43; B43L; B43L7/00; B43L7/10; B43L7/12; G; G01; G01B; G01B3/00; G01B3/02
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) | 1910-11-18 | 1911-05-20 | 1911-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-11-18 | 1915-05-20 | 1915-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-11-18 | 1919-05-20 | 1919-11-19 | $7700.00 | Window Closed / Lapsed |