US3013833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum pick up device
Assignee: Individual
•
Filing: 1958-12-01
•
Granted: 1961-12-19
•
Expires: 1978-12-01
Abstract
No abstract record available.
Inventors
- 👤 Dean R Gwin
- 👤 Charles W Mcfarland
- 👤 James M Gwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:33
CPC Classifications
A; A01; A01K; A01K43/00; B; B65; B65B; B65B23/00; B65B23/02; B65B23/06; B65B23/08; B65B35/00; B65B35/30; B65B35/36; B65B35/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1757529A
Cited
US2204738A
Cited
US2558479A
Cited
US2607620A
Cited
US2658789A
Cited
US2798757A
Cited
US2803485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |