Patent US2637052A successfully refreshed from Google Patents.
US2637052A
Expired / Lapsed
US
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Tapping machine
Assignee: Individual
•
Filing: 1949-04-04
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Granted: 1953-05-05
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Expires: 1969-04-04
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Woock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:45
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/16; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/165; Y10T408/65; Y10T408/675; Y10T408/6793
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US153770A
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US497002A
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US512542A
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US1309926A
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US999701A
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US1190768A
Cited
US1200053A
Cited
US1673897A
Cited
US1746266A
Cited
US1909055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |