US2912245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hockey stick
Assignee: WILLARD BROWNSON MACKENZIE
•
Filing: 1957-02-27
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Granted: 1959-11-10
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Expires: 1977-02-27
Abstract
No abstract record available.
Inventors
- 👤 Harris L Gardner
- 👤 Argereu William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:50
CPC Classifications
A; A63; A63B; A63B59/00; A63B59/70; A63B60/00; A63B60/56; A63B2102/00; A63B2102/24; Y; Y10; Y10S; Y10S273/00; Y10S273/06; Y10S273/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA459578A
Cited
US1798355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |