Patent US3380504A successfully refreshed from Google Patents.
US3380504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curling broom cover
Assignee: KURL KING BROOM PROTECTORS Ltd
•
Filing: 1966-10-31
•
Granted: 1968-04-30
•
Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 Harry W Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:06
CPC Classifications
A; A46; A46B; A46B17/00; A46B17/04; A63; A63B; A63B67/00; A63B67/14; A63B67/148; A46B2200/00; A46B2200/30; A46B2200/308
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US880086A
Cited
US1086987A
Cited
US1120038A
Cited
US1138305A
Cited
US2070448A
Cited
US3034132A
Cited
US2963731A
Cited
US3133577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |