US2570918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of selectively collecting and/or distributing articles
Assignee: Communication Engineering Pty Ltd
•
Filing: 1947-09-30
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Granted: 1951-10-09
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Expires: 1967-09-30
Abstract
No abstract record available.
Inventors
- 👤 George F Chodziesner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:22
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/12; H02K1/16; B; B65; B65G; B65G1/00; B65G1/02; B65G1/04; B65G1/137; B65G1/1373; B65G1/1378
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1353996A
Cited
US1602753A
Cited
US1625490A
Cited
US1722342A
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US1794626A
Cited
GB371964A
Cited
US2416870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |