US2596949A
Expired / Lapsed
US
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Assignee: Emhart Industries Inc
•
Filing: 1945-09-14
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Granted: 1952-05-13
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Expires: 1965-09-14
Abstract
No abstract record available.
Inventors
- 👤 Nicholas A Welch
- 👤 William J Zeigenhein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:48
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/12; E05C3/16; E05C3/165; E05C3/124; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/1054; Y10T292/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US283268A
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US949613A
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US883198A
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US1484500A
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US1616459A
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US1641537A
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US1895893A
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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) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |