Patent US1556880A successfully refreshed from Google Patents.
US1556880A
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US
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Oxyacetylene or like blowpipe
Assignee: CHALUMEAUX E ROYER SA
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Filing: 1923-09-18
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Granted: 1925-10-13
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Expires: 1943-09-18
Abstract
No abstract record available.
Inventors
- 👤 Royer Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:49
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/38; F23D14/44
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) | 1928-10-12 | 1929-04-13 | 1929-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-10-12 | 1933-04-13 | 1933-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-10-12 | 1937-04-13 | 1937-10-13 | $7700.00 | Window Closed / Lapsed |