Patent US2841937A successfully refreshed from Google Patents.
US2841937A
Expired / Lapsed
US
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Machine for assembling disposable cartridges for hypodermic syringes
Assignee: Pfizer Inc
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Filing: 1956-12-28
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Granted: 1958-07-08
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Expires: 1976-12-28
Abstract
No abstract record available.
Inventors
- 👤 John J Miskel
- 👤 Carl H Abbe
- 👤 Sarasin Serge
- 👤 Hermann G Thulke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:11
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/28; B65B7/2842; B65B7/285; B65B3/00; B65B3/003; B65B3/006; B65B7/2807; B65B7/2821; B65G; B65G51/00; B65G51/02; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53313; Y10T29/53322; Y10T29/53339; Y10T29/53343
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) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |