US2602968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building
Assignee: LYLE F BOULWARE
•
Filing: 1945-08-17
•
Granted: 1952-07-15
•
Expires: 1965-08-17
Abstract
No abstract record available.
Inventors
- 👤 Edith D Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:43
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/10; E04B1/343; E04B1/34315; E04B1/34321
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US304113A
Cited
GB189404128A
Cited
US1086650A
Cited
US1159229A
Cited
US1345164A
Cited
US1423468A
Cited
US1702340A
Cited
US1912502A
Cited
US2331083A
Cited
US2342264A
Cited
US2453918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |