US2613733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring construction
Assignee: No Sag Spring Co
•
Filing: 1945-05-14
•
Granted: 1952-10-14
•
Expires: 1965-05-14
Abstract
No abstract record available.
Inventors
- 👤 Mouw Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:11
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/287
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2294534A
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US946125A
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GB191127878A
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US1958481A
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US2106644A
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US2149350A
Cited
US2234253A
Cited
US2250486A
Cited
US2248093A
Cited
US2260981A
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US2285827A
Cited
US2356417A
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US2341015A
Cited
US2551800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |