US2467603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Caster
Assignee: Individual
•
Filing: 1946-05-21
•
Granted: 1949-04-19
•
Expires: 1966-05-21
Abstract
No abstract record available.
Inventors
- 👤 Stewart William Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:42
CPC Classifications
B; B60; B60B; B60B33/00; B60B33/08; B62; B62D; B62D7/00; B62D7/02; B62D7/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US134223A
Cited
US293784A
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US613352A
Cited
US1305276A
Cited
US663164A
Cited
US689364A
Cited
US900424A
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US905383A
Cited
US1118227A
Cited
US1900867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |