US2812850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lace-up device
Assignee: Akzo Nobel UK PLC
•
Filing: 1952-07-29
•
Granted: 1957-11-12
•
Expires: 1972-07-29
Abstract
No abstract record available.
Inventors
- 👤 Harry E Pape
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:38
CPC Classifications
B; B65; B65H; B65H51/00; B65H51/16; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10S; Y10S264/00; Y10S264/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1641276A
Cited
US2412403A
Cited
US2672712A
Cited
US2622306A
Cited
US2648890A
Cited
US2681729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |