US2933793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press-knob
Assignee: Individual
•
Filing: 1954-11-04
•
Granted: 1960-04-26
•
Expires: 1974-11-04
Abstract
No abstract record available.
Inventors
- 👤 Steinberg Adalberto
- 👤 Cavadini Alfredo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:58
CPC Classifications
A; A44; A44B; A44B17/00; A44B17/0064; A44B17/0088; A44B17/007; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45471; Y10T24/45524; Y10T24/45545; Y10T24/4555; Y10T24/45565; Y10T24/4588; Y10T24/45901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE117961C
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US634564A
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US769807A
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US930961A
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US1176619A
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US1353110A
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US1413082A
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US2548104A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |