US3485518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double-ended fastener
Assignee: Gang Nail Systems Inc
•
Filing: 1968-08-27
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Granted: 1969-12-23
•
Expires: 1988-08-27
Abstract
No abstract record available.
Inventors
- 👤 Richard E Heise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:24
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/0023; F16B15/003; F16B15/0038; E; E04; E04B; E04B1/00; E04B1/38; E04B1/48; E04B1/49; E04C; E04C3/00; E04C3/02; E04C3/12; E04C3/14; F16B2015/0069; Y; Y10; Y10S; Y10S411/00; Y10S411/921; Y10T; Y10T403/00; Y10T403/49; Y10T403/4974
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA490541A
Cited
US1036229A
Cited
US1598199A
Cited
US2060080A
Cited
US2235300A
Cited
US2495337A
Cited
US2558132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |