US2671355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holding device
Assignee: Individual
•
Filing: 1951-04-19
•
Granted: 1954-03-09
•
Expires: 1971-04-19
Abstract
No abstract record available.
Inventors
- 👤 Hjalmer J Hawkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:13
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/18; B60T17/22; B60T17/221; B60T17/222; B60T17/223; E; E05; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/12; E05C17/20; E05C17/30; Y; Y10; Y10S; Y10S254/00; Y10S254/05; Y10S285/00; Y10S285/902; Y10S292/00; Y10S292/43; Y10T; Y10T292/00; Y10T292/45; Y10T292/47; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/2066; Y10T74/20666
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1790851A
Cited
US1263955A
Cited
US1615798A
Cited
US1596834A
Cited
US1681192A
Cited
US1639551A
Cited
US2051969A
Cited
US2434598A
Cited
US2553448A
Cited
US2599376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |