US2419638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hanger
Assignee: Individual
•
Filing: 1946-01-11
•
Granted: 1947-04-29
•
Expires: 1966-01-11
Abstract
No abstract record available.
Inventors
- 👤 Graeber Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:45
CPC Classifications
A; A47; A47G; A47G25/00; A47G25/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US695924A
Cited
US846023A
Cited
US1272164A
Cited
US1331419A
Cited
US1678679A
Cited
US1804314A
Cited
US1922858A
Cited
US1922161A
Cited
US2017761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-28 | 1950-10-28 | 1951-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-28 | 1954-10-28 | 1955-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-28 | 1958-10-28 | 1959-04-29 | $7700.00 | Window Closed / Lapsed |