US1580097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die-sinking machine
Assignee: Individual
•
Filing: 1922-10-28
•
Granted: 1926-04-06
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Expires: 1942-10-28
Abstract
No abstract record available.
Inventors
- 👤 Louis G Bayrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:31
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/28; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/5468; B23Q1/5481; B23Q11/00; B23Q11/001; B23Q5/00; B23Q5/02; B23Q5/04; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T409/306776; Y10T409/307056; Y10T409/307112; Y10T409/30756
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) | 1929-04-05 | 1929-10-05 | 1930-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-04-05 | 1933-10-05 | 1934-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-04-05 | 1937-10-05 | 1938-04-06 | $7700.00 | Window Closed / Lapsed |