Patent US1776366A successfully refreshed from Google Patents.
US1776366A
Expired / Lapsed
US
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Method of making hollow objects of synthetic resin materials
Assignee: Individual
•
Filing: 1927-08-12
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Granted: 1930-09-23
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Expires: 1947-08-12
Abstract
No abstract record available.
Inventors
- 👤 Emil E Novotny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:07
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/46; B29C2049/4602; B29C2049/4644
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) | 1933-09-22 | 1934-03-24 | 1934-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-09-22 | 1938-03-24 | 1938-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-09-22 | 1942-03-24 | 1942-09-23 | $7700.00 | Window Closed / Lapsed |