Patent US2016239A successfully refreshed from Google Patents.
US2016239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of buttons
Assignee: Universal Button Fastening & B
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Filing: 1931-12-17
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Granted: 1935-10-01
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Expires: 1951-12-17
Abstract
No abstract record available.
Inventors
- 👤 Ira D Ford
- 👤 John M Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:14
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/46; B21D53/48
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) | 1938-09-30 | 1939-04-01 | 1939-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-09-30 | 1943-04-01 | 1943-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-09-30 | 1947-04-01 | 1947-10-01 | $7700.00 | Window Closed / Lapsed |