US2653820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck
Assignee: SCHADE MACHINE WORKS
•
Filing: 1948-04-26
•
Granted: 1953-09-29
•
Expires: 1968-04-26
Abstract
No abstract record available.
Inventors
- 👤 Elmer G Schade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:33
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/34; Y; Y10; Y10T; Y10T279/00; Y10T279/13; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5617; Y10T408/563; Y10T408/5633; Y10T408/56337
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US635243A
Cited
US641380A
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US801001A
Cited
US983918A
Cited
US1173159A
Cited
US1187856A
Cited
US1565820A
Cited
US1662571A
Cited
US2067399A
Cited
US2357062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |