US2696841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sweepstick with resilient bearing and means to prevent splitting of outer member
Assignee: HEIM Co
•
Filing: 1950-09-11
•
Granted: 1954-12-14
•
Expires: 1970-09-11
Abstract
No abstract record available.
Inventors
- 👤 Lewis R Heim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:26
CPC Classifications
D; D03; D03D; D03D49/00; D03D49/24; D03D49/26; D03D49/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1541276A
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US1833002A
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US1777965A
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US1871861A
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US1954277A
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US2247484A
Cited
US2580119A
Cited
US2445745A
Cited
US2598115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |