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Patent US1376169A successfully refreshed from Google Patents.
US1376169A
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Supporting and clamping mechanism for drilling-machines
Assignee: NILES BEMENTPOND CO
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Filing: 1918-04-22
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Granted: 1921-04-26
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Expires: 1938-04-22
Abstract
No abstract record available.
Inventors
- 👤 Willard T Sears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:19
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/28; Y; Y10; Y10T; Y10T408/00; Y10T408/91; Y10T408/93; Y10T408/935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1924-04-25 | 1924-10-25 | 1925-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-04-25 | 1928-10-25 | 1929-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-04-25 | 1932-10-25 | 1933-04-26 | $7700.00 | Window Closed / Lapsed |