US2698444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil spring fastening means
Assignee: Englander Co Inc
•
Filing: 1951-05-15
•
Granted: 1955-01-04
•
Expires: 1971-05-15
Abstract
No abstract record available.
Inventors
- 👤 Piliero James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:20
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/04; A47C23/05; Y; Y10; Y10S; Y10S411/00; Y10S411/92; Y10S411/921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1714227A
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US1707663A
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US2345053A
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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) | 1958-01-03 | 1958-07-05 | 1959-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-03 | 1962-07-05 | 1963-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-03 | 1966-07-05 | 1967-01-04 | $7700.00 | Window Closed / Lapsed |