US2444544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for feeding statistical record cards and delivering them to a receiver
Assignee: POWERS ACCOUNTING MACHINES Ltd
•
Filing: 1944-12-15
•
Granted: 1948-07-06
•
Expires: 1964-12-15
Abstract
No abstract record available.
Inventors
- 👤 Thomas Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:21
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US773318A
Cited
US1040201A
Cited
US1516770A
Cited
US2132451A
Cited
US2237067A
Cited
US2282127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-06 | 1952-01-05 | 1952-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-06 | 1956-01-05 | 1956-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-06 | 1960-01-05 | 1960-07-06 | $7700.00 | Window Closed / Lapsed |