US1478735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window fastener
Assignee: Individual
•
Filing: 1921-05-25
•
Granted: 1923-12-25
•
Expires: 1941-05-25
Abstract
No abstract record available.
Inventors
- 👤 Czapkowsky Wincanty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:26
CPC Classifications
E; E05; E05F; E05F11/00; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/088; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0982; Y10T292/0983; Y10T292/0989
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) | 1926-12-24 | 1927-06-25 | 1927-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-12-24 | 1931-06-25 | 1931-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-12-24 | 1935-06-25 | 1935-12-25 | $7700.00 | Window Closed / Lapsed |