Patent US2983939A successfully refreshed from Google Patents.
US2983939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curling broom
Assignee: Individual
•
Filing: 1957-02-18
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Granted: 1961-05-16
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Expires: 1977-02-18
Abstract
No abstract record available.
Inventors
- 👤 Marchessault Fernand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:05
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/08; A46B9/12; A46B9/02; A63; A63B; A63B67/00; A63B67/14; A63B67/148; A46B2200/00; A46B2200/30; A46B2200/308
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US125010A
Cited
US147182A
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US227139A
Cited
US418941A
Cited
US1115255A
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US1761101A
Cited
US2073558A
Cited
US2511235A
Cited
US2849140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |