Patent US2698444A successfully refreshed from Google Patents.
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 15:27
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE175228C
Cited
US61595A
Cited
US155586A
Cited
US773911A
Cited
US882600A
Cited
US1275318A
Cited
US1695129A
Cited
US1562681A
Cited
US1614831A
Cited
US1651392A
Cited
US1714227A
Cited
US1707663A
Cited
US2345053A
Cited
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 |