Patent US2858583A successfully refreshed from Google Patents.
US2858583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thresholds
Assignee: Individual
•
Filing: 1956-01-13
•
Granted: 1958-11-04
•
Expires: 1976-01-13
Abstract
No abstract record available.
Inventors
- 👤 Alfred P Mcevoy
- 👤 Tym F Seay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:58
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B7/22; E06B7/23; E06B7/2316
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1712472A
Cited
US1912255A
Cited
US1991776A
Cited
US2070725A
Cited
US2089380A
Cited
US2116426A
Cited
GB481137A
Cited
US2102578A
Cited
FR899225A
Cited
US2654922A
Cited
US2718677A
Cited
US2786241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |