Patent EP0033532A2 successfully refreshed from Google Patents.
Patent CA513447A successfully refreshed from Google Patents.
Patent US3037840A successfully refreshed from Google Patents.
Patent US2707200A successfully refreshed from Google Patents.
Patent US3761208A successfully refreshed from Google Patents.
Patent US4631498A successfully refreshed from Google Patents.
Patent US1810258A successfully refreshed from Google Patents.
US1810258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Egg-boiling frame
Assignee: Individual
•
Filing: 1930-07-23
•
Granted: 1931-06-16
•
Expires: 1950-07-23
Abstract
No abstract record available.
Inventors
- 👤 Sperber Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:32
CPC Classifications
A; A47; A47J; A47J29/00; A47J29/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1934-06-15 | 1934-12-15 | 1935-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-06-15 | 1938-12-15 | 1939-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-06-15 | 1942-12-15 | 1943-06-16 | $7700.00 | Window Closed / Lapsed |