US2422101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terrestrial globe
Assignee: Individual
•
Filing: 1943-10-22
•
Granted: 1947-06-10
•
Expires: 1963-10-22
Abstract
No abstract record available.
Inventors
- 👤 Homer V Johannsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:34
CPC Classifications
G; G09; G09B; G09B27/00; G09B27/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US253514A
Cited
US381271A
Cited
US387957A
Cited
US774998A
Cited
US1450335A
Cited
US1523188A
Cited
US1833916A
Cited
US1836423A
Cited
US1928025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-09 | 1950-12-09 | 1951-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-09 | 1954-12-09 | 1955-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-09 | 1958-12-09 | 1959-06-10 | $7700.00 | Window Closed / Lapsed |