US1289047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined rule and square.
Assignee: LOU KENNEDY MCALISTER
•
Filing: 1917-11-08
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Granted: 1918-12-24
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Expires: 1937-11-08
Abstract
No abstract record available.
Inventors
- 👤 William P Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:40
CPC Classifications
A; A47; A47B; A47B3/00; A47B3/08; A47B3/091; A47B3/0911; A47B3/0912; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32271
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) | 1921-12-23 | 1922-06-24 | 1922-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-12-23 | 1926-06-24 | 1926-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-12-23 | 1930-06-24 | 1930-12-24 | $7700.00 | Window Closed / Lapsed |