US2416548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boiler plug
Assignee: Individual
•
Filing: 1944-06-02
•
Granted: 1947-02-25
•
Expires: 1964-06-02
Abstract
No abstract record available.
Inventors
- 👤 Adolf C Schaul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:47
CPC Classifications
F; F22; F22B; F22B37/00; Y; Y10; Y10S; Y10S411/00; Y10S411/915; Y10S411/955; Y10S411/956; Y10T; Y10T407/00; Y10T407/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US384973A
Cited
US574553A
Cited
US1768456A
Cited
US915343A
Cited
US963645A
Cited
US1340167A
Cited
US1636135A
Cited
US2202944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-24 | 1950-08-26 | 1951-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-24 | 1954-08-26 | 1955-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-24 | 1958-08-26 | 1959-02-25 | $7700.00 | Window Closed / Lapsed |