US1559359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for drilling or reaming boiler shells
Assignee: Heine Boiler Co
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Filing: 1923-05-18
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Granted: 1925-10-27
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Expires: 1943-05-18
Abstract
No abstract record available.
Inventors
- 👤 Frederick O Pahmeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:18
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/16; B23B39/161; B23Q; B23Q1/00; B23Q1/72; B23Q1/76; Y; Y10; Y10S; Y10S409/00; Y10S409/903; Y10T; Y10T408/00; Y10T408/36; Y10T408/38; Y10T408/3833; Y10T408/55; Y10T408/557; Y10T408/563; Y10T409/00; Y10T409/30; Y10T409/309352; Y10T409/309408
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) | 1928-10-26 | 1929-04-27 | 1929-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-10-26 | 1933-04-27 | 1933-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-10-26 | 1937-04-27 | 1937-10-27 | $7700.00 | Window Closed / Lapsed |