US2605938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valved drop forming stopper
Assignee: Individual
•
Filing: 1946-12-13
•
Granted: 1952-08-05
•
Expires: 1966-12-13
Abstract
No abstract record available.
Inventors
- 👤 Balcar Vojtech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:04
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/20; B65D47/26; B65D47/261; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86558; Y10T137/86566; Y10T137/87917; Y10T137/88022; Y10T137/8803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US220595A
Cited
US506502A
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US517305A
Cited
US755549A
Cited
US834082A
Cited
US897131A
Cited
AT44025B
Cited
FR414741A
Cited
US1459642A
Cited
US1633074A
Cited
US2333310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |