US2540819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key case
Assignee: Individual
•
Filing: 1948-06-14
•
Granted: 1951-02-06
•
Expires: 1968-06-14
Abstract
No abstract record available.
Inventors
- 👤 Henry P Glass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:57
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/32; A45C11/324; Y; Y10; Y10T; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1493689A
Cited
US1573723A
Cited
US1669945A
Cited
US1739814A
Cited
US1854081A
Cited
US1886110A
Cited
US1939023A
Cited
US2442479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |