US2622802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handley
Assignee: —
•
Filing: —
•
Granted: 1952-12-23
•
Expires: 1969-12-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:22
CPC Classifications
G; G07; G07C; G07C1/00; G07C1/22; G07C1/24; G07F; G07F17/00; G07F17/32; G07F17/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB312970A
Cited
GB507069A
Cited
GB434273A
Cited
GB332189A
Cited
US1591995A
Cited
US1963907A
Cited
US2479681A
Cited
US2167513A
Cited
GB563514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |