US2884100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite washer for fasteners
Assignee: Individual
•
Filing: 1955-05-23
•
Granted: 1959-04-28
•
Expires: 1975-05-23
Abstract
No abstract record available.
Inventors
- 👤 Jr John R Mckee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:25
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/36; E04D3/365; F; F16; F16B; F16B43/00; F16B43/001; F16B43/02; Y; Y10; Y10S; Y10S238/00; Y10S238/01; Y10S285/00; Y10S285/903; Y10S411/00; Y10S411/90; Y10S411/915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US326345A
Cited
US1335756A
Cited
DE728680C
Cited
US2643904A
Cited
US2498104A
Cited
US2706656A
Cited
US2761347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |