US1766366A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1929-05-17
•
Granted: 1930-06-24
•
Expires: 1949-05-17
Abstract
No abstract record available.
Inventors
- 👤 Dennis M Welch
- 👤 Warner Clare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:01
CPC Classifications
B; B65; B65F; B65F1/00; B65F1/14; B65F1/16; B65F1/1615; B65D; B65D55/00; B65D55/02; B65D55/10; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0803; Y10T292/0805; Y10T292/0825; Y10T292/0826; Y10T292/0828; Y10T292/0831; Y10T292/0832; Y10T292/0911; Y10T292/0926; Y10T292/0928; Y10T292/0933
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) | 1933-06-23 | 1933-12-23 | 1934-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-06-23 | 1937-12-23 | 1938-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-06-23 | 1941-12-23 | 1942-06-24 | $7700.00 | Window Closed / Lapsed |