US2698478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plunger-inserting machine
Assignee: Wyeth LLC
•
Filing: 1951-05-15
•
Granted: 1955-01-04
•
Expires: 1971-05-15
Abstract
No abstract record available.
Inventors
- 👤 Charles A Heisterkamp
- 👤 Warn G Menhennett
- 👤 Dann Morris
- 👤 Harpul John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:35
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/28; B65B7/2821; B65B3/00; B65B3/003; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53313; Y10T29/53322; Y10T29/53339; Y10T29/53374; Y10T29/53383; Y10T29/53391; Y10T29/53657
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-03 | 1958-07-05 | 1959-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-03 | 1962-07-05 | 1963-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-03 | 1966-07-05 | 1967-01-04 | $7700.00 | Window Closed / Lapsed |