US2652866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Template
Assignee: WALTER E SELCK AND CO
•
Filing: 1951-04-24
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Granted: 1953-09-22
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Expires: 1971-04-24
Abstract
No abstract record available.
Inventors
- 👤 Herbert D Drain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:41
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/42; B23Q35/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US150039A
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US513313A
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US700813A
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US688634A
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US1679074A
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US1830113A
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US2451207A
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US2605791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |