Patent US2772802A successfully refreshed from Google Patents.
US2772802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reusable bottle stopper with severable skirt portion
Assignee: Individual
•
Filing: 1951-10-26
•
Granted: 1956-12-04
•
Expires: 1971-10-26
Abstract
No abstract record available.
Inventors
- 👤 Woydatt Leszek
- 👤 Chwialkowski Rodolphe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:22
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/46; B65D41/48; B65D41/485; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/80
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB189602244A
Cited
US674522A
Cited
US891109A
Cited
US985000A
Cited
US1475908A
Cited
GB390471A
Cited
US1958466A
Cited
US2116938A
Cited
US2202163A
Cited
US2168822A
Cited
US2231779A
Cited
US2390291A
Cited
US2693892A
Cited
US2583162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |