Patent US1033461A successfully refreshed from Google Patents.
US1033461A
Expired / Lapsed
US
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Hollow-wall-molding system.
Assignee: Individual
•
Filing: 1911-05-03
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Granted: 1912-07-23
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Expires: 1931-05-03
Abstract
No abstract record available.
Inventors
- 👤 Edwin O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:38
CPC Classifications
E; E04; E04G; E04G11/00; E04G11/06; E04G11/20; E04G11/22; Y; Y10; Y10S; Y10S425/00; Y10S425/107
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) | 1915-07-23 | 1916-01-22 | 1916-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-07-23 | 1920-01-22 | 1920-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-07-23 | 1924-01-22 | 1924-07-23 | $7700.00 | Window Closed / Lapsed |