US2587086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
List mounting
Assignee: Individual
•
Filing: 1948-06-29
•
Granted: 1952-02-26
•
Expires: 1968-06-29
Abstract
No abstract record available.
Inventors
- 👤 Howard W Anteau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:29
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/21; B; B42; B42D; B42D19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1908840A
Cited
US2175524A
Cited
GB191009722A
Cited
US1620077A
Cited
US1824628A
Cited
US2080995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |