Patent US4978146B1 successfully refreshed from Google Patents.
Patent US1328039A successfully refreshed from Google Patents.
US1328039A
Expired / Lapsed
US
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Machine for cutting off condenser-tubes
Assignee: BETHLEHEM SHIPBUILDING CORP LT
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Filing: 1918-12-31
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Granted: 1920-01-13
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Expires: 1938-12-31
Abstract
No abstract record available.
Inventors
- 👤 Essner Eugene Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:16
CPC Classifications
B; B23; B23D; B23D45/00; B23D45/12; B23D45/02; B23D45/021; B23D45/027; Y; Y10; Y10S; Y10S83/00; Y10S83/929; Y10S83/953; Y10T; Y10T83/00; Y10T83/768; Y10T83/7755; Y10T83/7763; Y10T83/7776; Y10T83/778
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) | 1923-01-12 | 1923-07-14 | 1924-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-01-12 | 1927-07-14 | 1928-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-01-12 | 1931-07-14 | 1932-01-13 | $7700.00 | Window Closed / Lapsed |