US2920309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1958-05-20
•
Granted: 1960-01-05
•
Expires: 1978-05-20
Abstract
No abstract record available.
Inventors
- 👤 Harry E Fultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:03
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/22; G08B5/36; G08B5/38; B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/50; B60Q1/503
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2144813A
Cited
US2321803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |