US2704168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: AMERICAN SPECIALTY Co
•
Filing: 1952-01-05
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Granted: 1955-03-15
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Expires: 1972-01-05
Abstract
No abstract record available.
Inventors
- 👤 Evan W Nord
- 👤 Roberts Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:39
CPC Classifications
B; B65; B65B; B65B67/00; B65B67/02; B65B67/06; B65C; B65C3/00; B65C3/02; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317; Y10T156/1322; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1734
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1204118A
Cited
US1380531A
Cited
US1649327A
Cited
US1981946A
Cited
US2094815A
Cited
US2324745A
Cited
US2543323A
Cited
US2582731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-14 | 1958-09-13 | 1959-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-14 | 1962-09-13 | 1963-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-14 | 1966-09-13 | 1967-03-15 | $7700.00 | Window Closed / Lapsed |