Patent US1681829A successfully refreshed from Google Patents.
US1681829A
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US
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Method and apparatus for making articles having relatively-rigid confining members and elastic cores
Assignee: Individual
•
Filing: 1927-10-07
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Granted: 1928-08-21
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Expires: 1947-10-07
Abstract
No abstract record available.
Inventors
- 👤 William J Wesseler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:41
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/51; Y10T29/5191; Y10T29/53; Y10T29/53126; Y10T29/53657; Y10T29/53696
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) | 1931-08-21 | 1932-02-20 | 1932-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-08-21 | 1936-02-20 | 1936-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-08-21 | 1940-02-20 | 1940-08-21 | $7700.00 | Window Closed / Lapsed |