US1393679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock-joint
Assignee: Individual
•
Filing: 1920-08-25
•
Granted: 1921-10-11
•
Expires: 1940-08-25
Abstract
No abstract record available.
Inventors
- 👤 Forster John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:57
CPC Classifications
A; A47; A47B; A47B3/00; A47B3/12; A47B13/00; A47B13/02; A47B13/04; A47B2230/00; A47B2230/0074; A47B2230/0085; A47B2230/0088; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/342; Y10T403/343
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) | 1924-10-10 | 1925-04-11 | 1925-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-10-10 | 1929-04-11 | 1929-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-10-10 | 1933-04-11 | 1933-10-11 | $7700.00 | Window Closed / Lapsed |