Patent US2840371A successfully refreshed from Google Patents.
Patent US1981418A successfully refreshed from Google Patents.
US1981418A
Expired / Lapsed
US
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Building
Assignee: JAMES Manufacturing CO
•
Filing: 1932-10-25
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Granted: 1934-11-20
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Expires: 1952-10-25
Abstract
No abstract record available.
Inventors
- 👤 Frederic J Kreutzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:46
CPC Classifications
E; E04; E04H; E04H5/00; E04H5/08; A; A01; A01K; A01K1/00; A01K1/12
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) | 1937-11-19 | 1938-05-21 | 1938-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-11-19 | 1942-05-21 | 1942-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-11-19 | 1946-05-21 | 1946-11-20 | $7700.00 | Window Closed / Lapsed |