US2995872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient clip and installation thereof
Assignee: Penn Metal Co Inc
•
Filing: 1958-09-23
•
Granted: 1961-08-15
•
Expires: 1978-09-23
Abstract
No abstract record available.
Inventors
- 👤 Barker Ola Mae
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:56
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/84; E04B2/842; E04B2/845; E04B2/72; E04B2/723
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US644938A
Cited
US1024260A
Cited
US1130722A
Cited
US1962906A
Cited
US1935536A
Cited
US2039382A
Cited
US1938680A
Cited
US2026117A
Cited
US2082578A
Cited
US2271472A
Cited
US2453980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |