US2198765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cup and vacuum cup system
Assignee: Merritt Engineering & Sales Co
•
Filing: 1938-08-05
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Granted: 1940-04-30
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Expires: 1958-08-05
Abstract
No abstract record available.
Inventors
- 👤 Alfred I Featherstone
- 👤 Platt John Earl
- 👤 Ericsson H Merritt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:29
CPC Classifications
B; B25; B25B; B25B11/00; B25B11/005; Y; Y10; Y10T; Y10T279/00; Y10T279/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-04-30 | 1943-10-30 | 1944-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-30 | 1947-10-30 | 1948-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-30 | 1951-10-30 | 1952-04-30 | $7700.00 | Window Closed / Lapsed |