US2772107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch mechanism
Assignee: H B IVES CO
•
Filing: 1952-07-26
•
Granted: 1956-11-27
•
Expires: 1972-07-26
Abstract
No abstract record available.
Inventors
- 👤 Youngberg Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:55
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/24; E05B63/244; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0926; Y10T292/0928; Y10T292/0934; Y10T292/0945; Y10T292/0951; Y10T292/0959; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1092; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5376
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE561248C
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US974566A
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US1335027A
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US1955969A
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US2317300A
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GB603689A
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US2613971A
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US2479256A
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US2583391A
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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) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |