US2925099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring unit lacing machine
Assignee: JOHNSON SPRING CUSHION Co
•
Filing: 1953-12-07
•
Granted: 1960-02-16
•
Expires: 1973-12-07
Abstract
No abstract record available.
Inventors
- 👤 Victor J Bergstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:20
CPC Classifications
B; B21; B21F; B21F33/00; B21F33/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2603246A
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US1002853A
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US1109067A
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US1238157A
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US1674085A
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US1660448A
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US1905459A
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US2026276A
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US2262994A
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US2296878A
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US2388106A
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US2694418A
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US2663038A
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US2657780A
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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) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |