US794409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined rule and square.
Assignee: Individual
•
Filing: 1904-10-22
•
Granted: 1905-07-11
•
Expires: 1924-10-22
Abstract
No abstract record available.
Inventors
- 👤 John Irving Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:36
CPC Classifications
B; B62; B62B; B62B7/00; B62B7/04; B62B7/06; B62B7/08; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32081; Y10T403/32549; Y10T403/32557; Y10T403/32581
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) | 1908-07-10 | 1909-01-09 | 1909-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-07-10 | 1913-01-09 | 1913-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-07-10 | 1917-01-09 | 1917-07-11 | $7700.00 | Window Closed / Lapsed |