US925630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamping apparatus for clamping and butting railway-rails, &c., in the welding process.
Assignee: GOLDSCHMIDT THERMIT CO
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Filing: 1907-02-15
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Granted: 1909-06-22
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Expires: 1927-02-15
Abstract
No abstract record available.
Inventors
- 👤 Hans Goldschmidt
- 👤 Felix Lange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:59
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/04; B23K37/047; Y; Y10; Y10S; Y10S164/00; Y10S164/12
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) | 1912-06-21 | 1912-12-21 | 1913-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-06-21 | 1916-12-21 | 1917-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-06-21 | 1920-12-21 | 1921-06-22 | $7700.00 | Window Closed / Lapsed |