US2764226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring assembly and units employed in the manufacture of same
Assignee: Nachman Corp
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Filing: 1956-01-10
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Granted: 1956-09-25
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Expires: 1976-01-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Fred A Nachman
- 👤 Louis F Hosek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:43
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/35; A47C23/00; A47C23/04; A47C23/05; A47C7/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |