US1455708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protracting square
Assignee: Individual
•
Filing: 1921-01-06
•
Granted: 1923-05-15
•
Expires: 1941-01-06
Abstract
No abstract record available.
Inventors
- 👤 Brown Milo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:47
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/38
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) | 1926-05-14 | 1926-11-13 | 1927-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-05-14 | 1930-11-13 | 1931-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-05-14 | 1934-11-13 | 1935-05-15 | $7700.00 | Window Closed / Lapsed |