US3477112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming torch tips
Assignee: Goss Gas Inc
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Filing: 1968-03-08
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Granted: 1969-11-11
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Expires: 1988-03-08
Abstract
No abstract record available.
Inventors
- 👤 Stephen J Yerkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:13
CPC Classifications
B; B21; B21K; B21K21/00; B21K21/08; F; F23; F23D; F23D14/00; F23D14/46; F23D14/48; F23D14/52; F23D14/54; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49348; Y10T29/49826; Y10T29/49861; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918; Y10T29/49925; Y10T29/49927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |