US2423352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch
Assignee: Harrisburg University of Science and Technology
•
Filing: 1944-03-27
•
Granted: 1947-07-01
•
Expires: 1964-03-27
Abstract
No abstract record available.
Inventors
- 👤 Berthold R Thiele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:39
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/52; E05B65/5207; E05B65/5246; E05B65/5253; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0945; Y10T292/0951; Y10T292/0953; Y10T292/0956; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1085
Claims Analysis
Total Claims: 0
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US324201A
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US2012885A
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US2276915A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-30 | 1950-12-30 | 1951-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-30 | 1954-12-30 | 1955-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-30 | 1958-12-30 | 1959-07-01 | $7700.00 | Window Closed / Lapsed |