US2476506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination fastening device
Assignee: Individual
•
Filing: 1945-03-07
•
Granted: 1949-07-19
•
Expires: 1965-03-07
Abstract
No abstract record available.
Inventors
- 👤 Anders C Olsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:37
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/58; Y; Y10; Y10S; Y10S411/00; Y10S411/92; Y10S52/00; Y10S52/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1812055A
Cited
US2020062A
Cited
US2059483A
Cited
US2055759A
Cited
US1980645A
Cited
US2111404A
Cited
US2274653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |