US2469981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pivotal bracket
Assignee: Individual
•
Filing: 1945-06-23
•
Granted: 1949-05-10
•
Expires: 1965-06-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:12
CPC Classifications
A; A47; A47J; A47J45/00; A47J45/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US278506A
Cited
US413510A
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US640736A
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US666674A
Cited
US755555A
Cited
US1284979A
Cited
US1865134A
Cited
US1747642A
Cited
US2252952A
Cited
US2409152A
Cited
US2437647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |