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US1638753A
Expired / Lapsed
US
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Brief case
Assignee: Individual
•
Filing: 1923-12-29
•
Granted: 1927-08-09
•
Expires: 1943-12-29
Abstract
No abstract record available.
Inventors
- 👤 Michael H Stein
- 👤 Stein Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:27
CPC Classifications
A; A45; A45C; A45C3/00; A45C3/02; Y; Y10; Y10S; Y10S190/00; Y10S190/90; Y10S190/902; Y10S383/00; Y10S383/903
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) | 1930-08-08 | 1931-02-07 | 1931-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-08-08 | 1935-02-07 | 1935-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-08-08 | 1939-02-07 | 1939-08-09 | $7700.00 | Window Closed / Lapsed |